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 6320-00-242-3300
NSN 5935-00-027-7401
NSN 5975-01-483-9632
NSN 7035-01-027-8569
NSN 6105-01-422-3765
NSN 5930-00-333-3818
NSN 5920-01-555-5097
NSN 5925-00-926-8425
NSN 6135-00-819-8074
NSN 5996-01-132-9996
NSN 6320-00-731-6134
NSN 5905-01-359-4788