A soft metal or nonmetal sleeve, designed to mate with a pin-rivet. it may include an external wrenching facility which breaks off at a perdetermined torque to form a head.
NSN 5965-00-265-7861
NSN 5910-00-895-6911
NSN 6150-00-256-3930
NSN 5996-01-436-8548
NSN 5915-01-106-4544
NSN 5930-01-306-8109
NSN 5999-00-456-0603
NSN 5985-01-046-7366
NSN 5855-01-573-8397
NSN 6650-01-508-8939
NSN 4140-00-736-4224
NSN 5910-00-217-5114