A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5996-01-213-5184
NSN 6240-01-472-2950
NSN 6620-01-412-0938
NSN 5905-01-642-2495
NSN 6620-00-862-5567
NSN 6240-00-316-3167
NSN 5855-01-414-5843
NSN 5965-01-543-8570
NSN 5930-01-593-3943
NSN 5895-01-426-8942
NSN 2925-01-430-4206
NSN 5990-01-102-9617