A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6610-01-146-0331
NSN 6320-01-362-4863
NSN 6645-01-439-4240
NSN 5960-01-209-2410
NSN 6620-01-101-4408
NSN 4140-01-286-3217
NSN 5935-01-184-3550
NSN 5920-01-449-8669
NSN 6620-01-441-0240
NSN 5905-01-396-4596
NSN 5855-00-896-4047
NSN 5996-01-380-0426