A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5985-00-849-6184
NSN 6220-01-406-5351
NSN 6110-00-520-8442
NSN 5945-01-420-5083
NSN 5930-01-588-6236
NSN 5925-00-636-5683
NSN 4140-00-239-7409
NSN 5998-01-124-0423
NSN 6645-01-391-6492
NSN 5990-01-218-1821
NSN 6130-01-566-0474
NSN 5935-01-302-0714