Scope This specification covers circular threaded electrical connectors with solder or removable crimp contacts (both front and rear release). These connectors are for use in electronic@ electrical power@ and control circuits (see 6.1). Classification Electrical connectors covered by this specification are divided into the following classes@ series@ and receptacle styles. Classes The classes of electrical connectors are as follows: Class A - Solid shell solder contact connectors Class B - Split shell solder contact connectors Class C - Solder contact connectors for use with pressurized equipment Class D - Crimp and solder contact connectors for use in high-impact shock conditions Class DS - Crimp and solder contact connectors for use in high-impact shock conditions@ stainless steel Class DJ - Crimp contact connectors with backshell connector assembly for use in high impact shock conditions Class DJS - Crimp contact connectors with backshell connector assembly for use in high impact shock conditions@ stainless steel Class DT - Crimp and solder contact connectors for use in high-impact shock conditions@ with nickel fluorocarbon polymer additives over a suitable underplate finish Class DY - Crimp and solder contact connectors for use in high-impact shock conditions@ with pure dense electrodeposited aluminum finish Class DZ - Crimp and solder contact connectors for use in high-impact shock conditions@ with zinc nickel over suitable underplate finish Class E - Environment resistant solder contact connectors Class F - Environment resistant solder contact connectors@ with clamp Class H - Hermetic solder contact connectors Class HS - Hermetic solder contact connectors@ stainless steel with passivated finish Class K - Crimp and solder firewall connectors Class KS - Crimp and solder firewall connectors@ stainless steel with passivated finish Class KT - Crimp and solder firewall connectors@ ferrous alloy with cadmium olive drab over nickel finish Class L - Fluid resistant crimp contact connectors Class LS - Fluid resistant crimp contact connectors@ stainless steel with passivated finish Class P - Environment resistant potted solder contact connectors Class R - Crimp and solder contact connector with grommet seal without clamp Class U - Fluid resistant crimp contact connectors Class W - General purpose crimp contact connectors (500 hour corrosion resistance requirement) Class WT - General purpose crimp contact connectors@ with nickel fluorocarbon polymer additives over a suitable underplate finish Class WY - General purpose crimp contact connectors@ with pure dense electrodeposited aluminum finish Class WZ - General purpose crimp contact connectors@ with zinc nickel over suitable underplate finish Class X - General purpose crimp contact connectors (1000 hour corrosion resistance requirement) Series The series of electrical connectors are as follows: Series I - Solder contact connectors Series II - Front release@ crimp contact connectors Series III - Rear release@ crimp contact connectors Series IV - Connector accessories Receptacle Styles The receptacle styles of electrical connectors are as follows: Flange (box or wall) Jam nut Cable connecting Solder mounting