A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-00-754-4108
NSN 5910-01-281-5528
NSN 6320-01-519-8767
NSN 5915-00-141-0410
NSN 5835-01-250-6027
NSN 5975-00-942-1925
NSN 6685-00-018-1842
NSN 7035-00-445-9657
NSN 6620-01-587-9533
NSN 5905-00-948-2393
NSN 5930-00-705-7802
NSN 6135-00-708-0892