A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5990-01-071-8510
NSN 5910-00-491-7359
NSN 6110-01-609-1767
NSN 5975-01-037-2796
NSN 6320-01-078-8257
NSN 5855-00-149-0766
NSN 5999-01-228-9690
NSN 5835-01-192-4165
NSN 5915-00-930-2782
NSN 5910-00-313-7206
NSN 5965-01-517-6402
NSN 5975-00-438-7009