A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5930-01-573-5849
NSN 6645-00-933-2170
NSN 5910-00-728-0651
NSN 6130-00-863-9813
NSN 6620-01-453-6764
NSN 5935-01-181-4125
NSN 6645-00-752-2939
NSN 5999-01-502-5899
NSN 6685-01-391-7560
NSN 4140-01-133-2626
NSN 5855-00-631-4565
NSN 6135-01-466-0192