A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-922-4894
NSN 6650-00-295-1749
NSN 7035-01-499-9239
NSN 5920-00-259-7294
NSN 2925-01-155-5444
NSN 6105-00-862-6805
NSN 4140-01-573-4240
NSN 5925-01-006-3311
NSN 6105-01-054-3649
NSN 5975-01-068-4125
NSN 6610-01-608-0004
NSN 5960-00-008-1455