A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-00-135-4930
NSN 5950-01-606-9819
NSN 5999-01-487-4515
NSN 2925-00-941-6537
NSN 6610-01-322-4331
NSN 4140-01-385-9728
NSN 5965-00-871-8987
NSN 6620-01-363-4792
NSN 5996-00-166-6442
NSN 5990-01-357-6175
NSN 5910-01-485-6135
NSN 5910-01-464-3879