A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-01-227-3701
NSN 5915-01-138-5570
NSN 2925-01-291-9997
NSN 5925-01-105-5254
NSN 6240-01-050-9156
NSN 2925-01-364-7926
NSN 5855-01-383-6860
NSN 5905-01-255-7363
NSN 6620-01-624-3933
NSN 5855-00-405-4532
NSN 6220-01-634-0660
NSN 5990-00-764-7487