A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-01-353-4854
NSN 6685-00-980-0375
NSN 5960-01-215-0992
NSN 5998-00-787-8350
NSN 5990-01-544-4360
NSN 6240-01-586-9718
NSN 5975-00-526-4701
NSN 5855-00-922-6459
NSN 5999-01-384-3532
NSN 5960-01-437-7422
NSN 5985-01-230-7881
NSN 2925-01-210-6531