A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6105-01-188-0246
NSN 2925-01-607-4340
NSN 6240-01-623-1385
NSN 5975-01-472-2389
NSN 6320-00-646-3311
NSN 5960-00-204-7506
NSN 5915-01-559-0396
NSN 5998-01-179-4067
NSN 6240-00-244-0483
NSN 6645-01-351-1154
NSN 6650-01-382-8569
NSN 6620-01-034-4539