A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-01-425-1719
NSN 5925-00-636-5683
NSN 6650-01-259-8452
NSN 7035-01-378-5074
NSN 5855-01-556-7421
NSN 6150-00-342-9765
NSN 5990-01-153-0679
NSN 5975-01-530-3691
NSN 5905-00-950-9432
NSN 5950-01-078-6497
NSN 5960-01-485-2467
NSN 5999-01-238-6230