A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-652-0168
NSN 4140-01-352-2924
NSN 5920-01-293-9921
NSN 7035-00-574-4223
NSN 5910-00-115-2388
NSN 5950-01-401-5321
NSN 6645-01-435-6373
NSN 5996-01-541-5453
NSN 5945-01-579-6583
NSN 6130-00-542-8078
NSN 5999-00-998-6922
NSN 6240-00-027-9931