A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-00-794-8714
NSN 4140-01-420-6508
NSN 5855-01-423-0817
NSN 6240-00-527-8614
NSN 5965-01-345-9480
NSN 6650-00-839-2527
NSN 5925-01-420-1777
NSN 5985-00-999-1526
NSN 6620-01-526-1478
NSN 4140-01-382-0721
NSN 5930-01-056-5382
NSN 5925-01-067-1248