A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5855-01-134-7106
NSN 6220-00-183-7706
NSN 6685-00-327-6401
NSN 5965-01-120-6086
NSN 6130-01-395-1651
NSN 5998-01-014-0016
NSN 6610-00-990-9825
NSN 7035-00-232-4043
NSN 5990-01-253-1332
NSN 5965-00-568-5802
NSN 5905-01-252-6881
NSN 5975-01-584-7857