A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5960-01-451-6993
NSN 4140-01-435-6198
NSN 5855-00-688-9954
NSN 5905-00-615-6635
NSN 6105-01-062-8790
NSN 5990-00-424-8872
NSN 5935-01-493-4041
NSN 5985-01-076-4710
NSN 6685-01-555-3596
NSN 5935-01-249-9940
NSN 6145-01-550-7693
NSN 5985-00-898-0669