A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-01-614-6016
NSN 6145-01-429-8529
NSN 5920-00-642-9908
NSN 6150-01-032-2916
NSN 5950-00-071-7752
NSN 5999-00-345-7513
NSN 5950-01-321-1414
NSN 6685-01-034-1150
NSN 5920-00-115-2420
NSN 5930-00-580-3085
NSN 5975-01-451-4192
NSN 5905-01-501-9465