A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-01-371-3112
NSN 6220-01-273-3896
NSN 5910-01-427-3819
NSN 6320-01-412-2973
NSN 6645-00-544-8529
NSN 6135-00-223-9563
NSN 5945-01-422-4565
NSN 5920-01-660-9295
NSN 6610-01-210-8493
NSN 6320-00-908-6841
NSN 5910-00-150-5244
NSN 2925-01-133-8128