A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-01-359-1821
NSN 6130-01-286-3372
NSN 6620-00-146-3465
NSN 2925-01-525-8212
NSN 5935-01-099-1662
NSN 5930-01-598-1361
NSN 5855-01-484-6507
NSN 5915-00-230-8803
NSN 5990-01-123-6557
NSN 5895-01-540-3333
NSN 6145-01-135-7754
NSN 4140-01-490-3745