A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5998-01-034-9243
NSN 5945-00-234-4293
NSN 2925-01-164-9579
NSN 6130-01-526-7079
NSN 5910-00-122-8623
NSN 5996-01-415-4629
NSN 5965-01-655-1457
NSN 6240-01-417-2976
NSN 5996-01-476-2131
NSN 5965-01-421-1244
NSN 5925-00-275-0380
NSN 5930-01-441-9882