Essential to weapon system performance or operation, or the preservation of life or safety of operating personnel
NSN 5910-00-435-7216
NSN 5920-00-170-4247
NSN 5905-01-468-6774
NSN 5925-01-634-0664
NSN 6150-01-654-3568
NSN 5895-01-634-0630
NSN 5915-01-014-4837
NSN 7035-00-973-9215
NSN 7035-00-167-7411
NSN 6220-01-104-9679
NSN 6685-01-544-4795
NSN 6145-01-212-2036