A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5895-01-159-9312
NSN 6145-01-555-9946
NSN 5920-01-116-1789
NSN 6685-01-580-4974
NSN 5985-01-365-4303
NSN 5975-01-435-3600
NSN 5990-01-176-2724
NSN 5895-00-848-9136
NSN 6240-00-052-3189
NSN 6685-00-932-1322
NSN 4140-01-139-6192
NSN 6220-00-433-9337