A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6135-00-798-1425
NSN 4140-00-155-8012
NSN 5905-01-309-4042
NSN 5960-01-253-6687
NSN 6145-01-461-8062
NSN 5998-01-026-0684
NSN 6645-01-196-8616
NSN 5950-01-168-8071
NSN 5925-01-025-0322
NSN 5945-01-297-0814
NSN 4140-00-613-9209
NSN 6150-01-191-2911