A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-01-284-5372
NSN 5895-00-205-2924
NSN 6135-01-151-2705
NSN 2925-01-514-9358
NSN 6240-00-768-9861
NSN 6220-00-285-8104
NSN 6320-01-089-9086
NSN 5930-01-537-8575
NSN 5910-00-448-0690
NSN 6110-01-421-9401
NSN 5920-01-445-5701
NSN 6240-01-046-4363