A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5975-00-110-1986
NSN 6685-00-954-7247
NSN 5945-01-114-5055
NSN 6130-00-103-7082
NSN 5950-00-010-3010
NSN 5855-01-631-2118
NSN 6685-01-424-0497
NSN 6105-01-022-7477
NSN 6105-01-589-5907
NSN 5905-00-674-3245
NSN 4140-01-544-1990
NSN 5945-00-635-3502