A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5915-01-412-8667
NSN 5965-00-194-9428
NSN 7035-00-327-0458
NSN 5950-00-661-2612
NSN 6685-01-540-2117
NSN 5950-01-641-8921
NSN 6620-01-324-7809
NSN 5975-01-350-4067
NSN 6135-01-430-3119
NSN 6150-01-350-4072
NSN 5990-00-849-6358
NSN 5996-01-425-9815