A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-01-247-1700
NSN 6645-00-099-6913
NSN 5925-01-518-9119
NSN 6685-01-139-4944
NSN 5855-01-623-0645
NSN 5960-01-125-2356
NSN 6220-00-622-0563
NSN 5985-01-332-2242
NSN 6645-01-368-7109
NSN 5990-01-095-8866
NSN 5985-00-378-8558
NSN 6320-01-315-6450