A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5905-01-529-9799
NSN 4140-00-027-5150
NSN 6150-01-630-9375
NSN 5935-01-403-2844
NSN 6610-00-775-6141
NSN 5996-01-114-8956
NSN 5945-00-643-9255
NSN 6610-01-139-4713
NSN 5990-01-054-3332
NSN 5905-01-073-2416
NSN 4140-01-100-1223
NSN 6645-01-106-4303