Essential to weapon system performance or operation, or the preservation of life or safety of operating personnel
NSN 5960-00-396-6109
NSN 6135-01-100-3593
NSN 6650-01-320-1169
NSN 4140-01-548-9658
NSN 5935-01-660-4236
NSN 4140-01-198-5652
NSN 5975-00-433-5983
NSN 5998-00-818-1613
NSN 6150-00-246-6673
NSN 6220-01-004-5436
NSN 5895-00-350-5510
NSN 5998-01-485-7327