A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-00-258-8547
NSN 6240-01-582-6353
NSN 6135-01-213-7339
NSN 4140-00-155-8012
NSN 5915-01-157-8407
NSN 5855-00-885-8452
NSN 5905-01-534-3754
NSN 6135-01-559-7348
NSN 5996-01-300-1111
NSN 6145-01-164-7681
NSN 5990-01-320-9817
NSN 6685-01-173-6987