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primary balance

primary balance, Total:94 items.

In the international standard classification, primary balance involves: Elements of buildings, Measurement of volume, mass, density, viscosity, Measurement of force, weight and pressure, Quality, Characteristics and design of machines, apparatus, equipment, Shafts and couplings, Mining and quarrying, Equipment for petroleum and natural gas industries, Aerospace fluid systems and components, Education, Fasteners for aerospace construction, Materials for aerospace construction, Linear and angular measurements, Coatings and related processes used in aerospace industry, Insulating materials, Non-ferrous metals, Acoustics and acoustic measurements, Internal combustion engines, Meat, meat products and other animal produce, Road engineering.

RO-ASRO, primary balance

STAS 3717-1983 COMMON COMPOSED BALANCES

International Organization for Standardization (ISO), primary balance

ISO 1580:1983 Slotted pan head screws; Product grade A

Danish Standards Foundation, primary balance

DS/ISO 1580:1984 Slotted pan head screws. Product grade A
DS/EN 1530:2001 Door leaves - General and local flatness - Tolerance classes

YU-JUS, primary balance

JUS M.B1.270-1981 Hexagon socket set screws with flatpoint, product grade A

Lithuanian Standards Office , primary balance

LST EN 1530-2002 Door leaves - General and local flatness - Tolerance classes

ES-UNE, primary balance

UNE-EN 1530:2001 ERRATUM DOOR LEAVES - GENERAL AND LOCAL FLATNESS - TOLERANCE CLASSES.

German Institute for Standardization, primary balance

DIN EN 1530:2000-06 Door leaves - General and local flatness - Tolerance classes; German version EN 1530:1999
DIN 21912-1:2006 Mine plans - Opencast mining - Part 1: General requirements
DIN EN 2651:1996 Aerospace series - Screws, pan head, slotted, threaded to head, in brass, tin plated - Classification: 380 MPa (at ambient temperature)/80 °C; German version EN 2651:1996
DIN EN 2650:1996 Aerospace series - Screws, pan head, slotted, threaded to head, in corrosion resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/425 °C ; German version EN 2650:1996
DIN EN 2885:1996 Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in alloy steel, cadmium plated, classification: 900 MPa (at ambient temperature)/235 °C; German version EN 2885:1996
DIN EN 4069:1996 Aerospace series - Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/650 °C; German version EN 4069:1996
DIN EN 2897:1996 Aerospace series - Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1100 MPa/235 °C; German version EN 2897:1996
DIN EN 2886:1996 Aerospace series - Screws, pan head, offset cruciform recess, close tolerance shank, short thread, in alloy steel, cadmium plated - Classification: 900 MPa/235 °C; German version EN 2886:1996
DIN EN 2884:1996 Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in titanium alloy, anodized, MoS<(Index)2> lubricated, classification: 1100 MPa (at ambient temperature)/315 °C; German version EN 2884:1996
DIN EN 3759:1996 Aerospace series - Screws, pan head, offset cruciform recess, threaded to head, in heat and corrosion resisting steel, passivated - Classification: 1100 MPa (at ambient temperature)/425 °C; German version EN 3759:1996
DIN EN 3038:1996 Aerospace series - Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in heat and corrosion resisting steel, passivated - Classification: 1100 MPa (at ambient temperature)/425 °C; German version EN 3038:1996

Professional Standard - Aviation, primary balance

HB 1-123-1974 Two-level accuracy (dc) one side cut flat cylindrical head bolts
HB 1-124-1974 Two-level accuracy (dd) one side cut flat cylinder head bolts
HB 1-122-1974 Two-level precision (db) one side cut flat cylinder head bolts

RU-GOST R, primary balance

GOST 29329-1992 Balance for static weighing. General technical requirements
GOST 22061-1976 Machines and technological equipment. Balance quality grade system. General
GOST R 54483-2011 Oil and gas industry. Offshore platforms for oil and gas production. General requirements
GOST R 54483-2021 Oil and gas industry. Offshore platforms for oil and gas production. General requirements
GOST 8.016-1981 State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring plane angle
GOST 8.453-1982 State system for ensuring the uniformity of measurements. Balance for static weighting. Methods and means for verification

CZ-CSN, primary balance

CSN 17 7010-1974 Balance with non-automatic function of accuracy class 1 to 4. Basic metrological regulations
CSN 01 1604-1989 Noise. Determination of the sound power level of noise of machines in a free field over a reflecting plane. Engineering method

European Association of Aerospace Industries, primary balance

AECMA PREN 2680-1987 Aerospace Series Nuts, Anchor, Self Locking, Two Lug, Floating, Self Aligning Classification : 900 MPa/235 Degrees Celsius Issue P 1
AECMA PREN 2852-1987 Aerospace Series Nuts, Hexagonal, Plain, Normal Height, Normal Across Flats, Heat Resisting Steel Passivated Classification: 1100 MPa/650 Degrees Celsius Issue P 1
AECMA PREN 2649-1994 Aerospace Series Screws, Pan Head, Slotted, Threaded to Head, in Alloy Steel, Cadmium Plated Classification : 900 MPa (at Ambient Temperature) / 235 Degrees C Edition P 2
AECMA PREN 4139-1994 Aerospace Series Screws, Pan Head, Offset Cruciform Recess, Threaded to Head, in Alloy Steel, Cadmium Plated Classification: 1 100 MPa (at Ambient Temperature)/235 Degrees C Edition P1
AECMA PREN 4139-1993 Aerospace Series Screws, Pan Head, Offset Cruciform Recess, Threaded to Head, in Alloy Steel, Cadmium Plated Classification: 1 100 MPa (at Ambient Temperature)/ 235 Degrees Celsius Edition 1
AECMA PREN 2680-1996 Aerospace Series Nuts, Anchor, Self Locking, Floating, Self- Aligning, Two Lug, in Alloy Steel, Cadmium Plated, MoS2 Lubricated Classification : 900 MPa (at Ambient Temperature) / 235 Degrees Celsius Issue P 2
AECMA PREN 2680-1998 Aerospace Series Nuts, Anchor, Self Locking, Floating, Self- Aligning, Two Lug, in Alloy Steel, Cadmium Plated, MoS2 Lubricated Classification: 900 MPa (at Ambient Temperature) / 235 Degrees Celsius Edition P 3
AECMA PREN 2876-1995 Aerospace Series Nuts, Hexagon, Plain, Reduced Height, Normal Across Flats, in Aluminium Alloy, Anodized Classification : 450 MPa (at Ambient Temperature)/ 120 Degrees C
AECMA PREN 2895-1993 Aerospace Series Nuts, Hexagonal, Plain, Normal Height, Normal Across Flats, in Corrosion Resisting Steel, Passivated Classification : 900 MPa (at Ambient Temperature) / 425 Degrees C Edition P 1
AECMA PREN 2854-002-1996 Aerospace Series Cables, Electrical, for General Purpose Cross Sections Equal to and Greater Than 9 mm2 Operating Temperatures Between - 55 Degrees Celsius and 260 Degrees Celsius Part 002: General Edition P 1
AECMA PREN 2854-002-2006 Aerospace series Cables, electrical for general purpose Cross sections equal to and greater than 9 mm2 Operating temperatures between - 55 癈 and 260 癈 Part 002: General Edition P 2
AECMA PREN 2854-003-1996 Aerospace Series Cables, Electrical, for General Purpose Cross Sections Equal to and Greater Than 9 mm2 Operating Temperatures Between - 55 Degrees Celsius and 260 Degrees Celsius Part 003: Product Standard Edition P 1
AECMA PREN 2854-003-2006 Aerospace series Cables, electrical for general purpose Cross sections equal to and greater than 9 mm2 Operating temperatures between - 55 癈 and 260 癈 Part 003: Product standard Edition P 2

Group Standards of the People's Republic of China, primary balance

T/TJUAV 0001.1-2020 Tianjin Youth UAV Aviation Technology (Technical Level) Rating Application Standard
T/CICEIA /CAMS45-2022 Space-Ground-Vehicle-People integration(SGVP)-Mobile source emission monitoring system -Mobile source emission monitoring system management platform technical specifications

British Standards Institution (BSI), primary balance

BS 2SP 151-153:1979+A1:2018 Specification for Washers, plain, Unified inch sizes, alloy steel, cadmium plated for Aerospace Use
BS EN 3226:2010 Aerospace series. Nuts, hexagon, plain, normal height, normal across flats, steel, cadmium plated. Classification: 1100 MPa/235C
BS EN 3226:2009 Aerospace series - Nuts, hexagon, plain, normal height, normal across flats, steel, cadmium plated - Classification: 1100 MPa/235 °C
BS EN 3228:2010 Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C
BS EN 3229:2010 Aerospace series. Nuts, hexagonal, plain, reduced height normal across flats, in steel, cadmium plated, left hand thread. Classification: 900 MPa (at ambient temperature)/235°C
BS EN 3229:2009 Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 900 MPa (at ambient temperature)/235 °C
BS EN 4161:2010 Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1100 MPa (at ambient temperature) / 235 °C
BS EN 4161:2009 Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1100 MPa (at ambient temperature) / 235 °C
BS EN 3227:2010 Aerospace series - Nuts, hexagonal, plain, normal height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 1100 MPa (at ambient temperature)/235 °C
BS 3A 117:1962+A2:2016 Aerospace Series. Bolts, Pan Head, Slotted Drive, Unified Threads, Corrosion Resisting Steel, Strength Class 880 MPa, for Aircraft. Specification
BS EN 4073:2009 Aerospace series - Screws, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification 1100 MPa (at ambient temperature) / 235 °C
BS EN 4073:2010 Aerospace series. Screws, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated. Classification 1100 MPa (at ambient temperature) / 235°C

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization, primary balance

PREN 2310-1988 Aerospace Series Test Methods for the Flame Resistance Rating of Non-Metallic Materials (Edition 1)
PREN 2921-1994 Aerospace Series Nuts@ Hexagon@ Thin@ Reduced Across Flats@ Heat Resisting Steel@ Passivated Classification : 900 MPa / 650 Degrees C
PREN 2810-1987 Aerospace Series Nuts@ Hexagon@ Slotted/Castellated@ Thin Normal Across Flats@ in Heat Resisting Steel Passivated Classification: 600 MPa/650 Degrees Celsius (Issue P 1)

Professional Standard - Aerospace, primary balance

QJ 1974-1990 Formulate general regulations on product quality indicators of national-level enterprises in the aerospace industry

European Committee for Standardization (CEN), primary balance

EN 2651:1996 Aerospace series - Screws, pan head, slotted, threaded to head, in brass, tin plated - Classification: 380 MPa (at ambient temperature)/80 °C
EN 2649:1995 Aerospace series - Screws, pan head, slotted, threaded to head, in alloy steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C
EN 2650:1996 Aerospace series - Screws, pan head, slotted, threaded to head, in corrosion resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/425 °C
EN 2886:1996 Aerospace series - Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C
EN 3227:2010 Aerospace series - Nuts@ hexagonal@ plain@ normal height@ normal across flats@ in steel@ cadmium plated@ left hand thread - Classification: 1 100 MPa (at ambient temperature) / 235 ��
EN 3226:2009 Aerospace series - Nuts, hexagon, plain, normal height, normal across flats, steel, cadmium plated - Classification: 1100 MPa/235 °C
EN 4069:1996 Aerospace series - Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, passivated - Classification: 600 MPa (at ambient temperature)/650 °C
EN 2884:1996 Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated - Classification: 1100 MPa (at ambient temperature)/315 °C
EN 4138:2016 Aerospace series - Screws@ pan head@ offset cruciform recess@ coarse tolerance normal shank@ medium length thread@ in alloy steel@ cadmium plated - Classification: 1 100 MPa (at ambient temperature) / 235 ��

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, primary balance

GB/T 20633.3-2011 Coatings for loaded printed wire boards (conformal coatings).Part 3：Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace(Class 3)

Association Francaise de Normalisation, primary balance

NF L24-508*NF EN 4069:1996 Aerospace series. Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, passivated. Classification : 600 MPa (at ambient temperature) / 650 degrees celsius.
NF L24-179*NF EN 2649:1995 Aerospace series. Screws, pan head, slotted, threaded to head, in alloy steel, cadmium plated. Classification : 900 MPa (at ambient temperature) 235 degrees celsius.
NF L24-182*NF EN 2884:1996 Aerospace series. Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in titanium alloy, anodized, MOS2 lubricated. Classification : 1 100 MPa (at ambient temperature) / 315 degrees celsius.
NF L24-183*NF EN 2885:1996 Aerospace series. Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification : 900 MPa (at ambient temperature) / 235 degrees celsius.
NF L24-189*NF EN 3759:1997 Aerospace series. Screws, pan head, offset cruciform recess, threaded to head, in heat and corrosion resisting steel, passivated. Classification : 1100 MPa (at ambient temperature) / 425 degrees celsius.
NF L24-178*NF EN 3912:2007 Aerospace series - Bolts, pan head, six lobe recess, relieved shank, long thread, in heat resisting steel FE-PA2601 (FE-PA92HT, A286), silver plated - Classification : 1 100 MPa (at ambient temperature)/650 oC
NF P98-219-5:1996 Test relating to pavement. Eveness test. Part 5 : measurement of a deformation class by moving a 1,50 M rule.
NF L24-188*NF EN 3307:1997 Aerospace series. Screws, pan head, offset cruciform recess, threaded to head, in titanium alloy, anodized, MoS2 lubricated. Classification : 1100 MPa (at ambient temperature) / 315 degrees celsius.
NF L24-174*NF EN 4073:2016 Aerospace series - Screws, pan head, hexalobular recess, coarse tolerance shank, medium length thread, in alloy steel, cadmium plated - Classification : 1 100 MPa (at ambient temperature)/235 oC

GOSTR, primary balance

GOST R 58217-2018 Petroleum and natural gas industries. Arctic operations. Evacuation and rescue of offshore platform personnel. General provisions
GOST R 58219-2018 Petroleum and natural gas industries. Arctic operations. Technical devices for fire protection of topsides of offshore platforms. General requirements

SAE - SAE International, primary balance

SAE AIR5667-2009 Fiber Optic Wavelength Division Multiplexed (WDM) Singlemode Interconnect and Component Standards Mapping for Aerospace Platform Applications – Device Level Specification

(U.S.) Ford Automotive Standards, primary balance

FORD WSS-M4C50-E-2011 GASOLINE, PREMIUM UNLEADED, TIER 2 (Sea Level) EXHAUST AND EVAPORATIVE EMISSION TEST ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD WSS-M3H134-A-2003 CARPET, BCF NYLON, MINI-BERBER, 680 g/m2 ***TO BE USED WITH FORD WSS-M99P1111-A***

Aerospace, Security and Defence Industries Association of Europe (ASD), primary balance

ASD-STAN PREN 2811-1987 Aerospace Series Nuts, Hexagon, Slotted/Castellated in Steel Cadmium Plated Classification: 1100 MPa/235 Degrees Celsius (Issue P 1)
ASD-STAN PREN 2652-1987 Aerospace Series Screws, 100 Degrees Countersunk Head, Slotted, Fully Threaded, in Steel Cadmium Plated Classification : 900 MPa/235 Degrees Celsius (Issue P 1)

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., primary balance

ASHRAE HI-02-2-4-2002 Primary Energy Consumption of Ventilation Systems - A Comparison and Rating Using Joint-Frequency Weather Data

CU-NC, primary balance

NC 56-54-01-1986 Unified System for Quality Indexes Nomenc1ature. Construction Materials and Products. Concrete Hollow Elements for Walls and Intermedíate Levels

Taiwan Provincial Standard of the People's Republic of China, primary balance

CNS 14656-2002 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane
CNS 14658-2002 Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane

未注明发布机构, primary balance

DIN EN 4847:2022 Aerospace – Flat head spiral drive screw, coarse shank tolerance, medium thread length, alloy steel, cadmium plated – Class: 1 100 MPa (at room temperature)/235°C

TIA - Telecommunications Industry Association, primary balance

TSB-171-2010 Terrestrial Land Mobile Radio-Antenna Systems-History and Technical Analysis of the Quarter Wave Monopole Over Finite Ground Plane as a Gain Standard

Canadian Standards Association (CSA), primary balance

CAN/CSA-Z19905-1-2013 Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 1: Jack-ups (First Edition)

Korean Agency for Technology and Standards (KATS), primary balance

KS W 0932-1998(2003) Aerospace-Self-locking, fixed, single-lug anchor nuts,reduced series, with counterbore, strength classification 1100MPa and maximum operating temperature 235 degrees C