A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6150-01-242-4110
NSN 5990-01-052-1987
NSN 6110-00-893-2349
NSN 6110-01-055-6442
NSN 6620-01-415-5803
NSN 5835-01-229-6964
NSN 5950-01-465-5224
NSN 5998-01-557-5375
NSN 6650-01-065-4748
NSN 5985-00-488-5316
NSN 5910-01-619-0517
NSN 5930-01-093-3794