Essential to weapon system performance or operation, or the preservation of life or safety of operating personnel
NSN 5895-00-204-4358
NSN 4140-01-172-4637
NSN 6610-01-623-5423
NSN 5985-01-021-4687
NSN 5975-01-431-8520
NSN 4140-00-900-6102
NSN 5920-01-359-5925
NSN 6220-01-083-7596
NSN 6110-00-962-7858
NSN 5910-01-149-3061
NSN 6240-00-451-8587
NSN 6110-01-315-7893