1.1 TypeThis procurement specification covers inserts made from A286 alloy of the type identified under the Unified NumberingSystem as UNS S66286, solid film lubricated with a plastic self locking device, integrated locking keys to positively securethe insert against rotation when properly installed in threaded holes.1.2 ApplicationInserts covered by this specification are intended as general purpose fasteners up to 500 °F.1.2.1 Inserts conforming to the design and dimensions of AS3502 and AS3503 shall be capable of developing aminimum tensile strength as follows: AS3502 = 160,000 psi : AS3503 = 200,000 psi.1.3 Safety - Hazardous MaterialsWhile the materials, methods, applications, and processes described or referenced in this specification may involve theuse of hazardous materials, this specification does not address the hazards which may be involved in such use. It is thesole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to takenecessary precautionary measures to ensure the health and safety of all personnel involved.