A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-00-100-4877
NSN 6650-01-290-4001
NSN 6610-01-099-0303
NSN 5835-00-572-7445
NSN 5895-01-227-3125
NSN 6220-01-380-6204
NSN 6135-01-180-9611
NSN 5925-01-154-4189
NSN 6105-01-610-2555
NSN 7035-01-391-3518
NSN 6620-01-481-1358
NSN 6105-01-354-4819