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 5975-01-143-4802
NSN 5910-01-384-3808
NSN 5855-01-552-4759
NSN 6610-01-535-0310
NSN 5998-00-391-5986
NSN 6320-00-228-5678
NSN 6685-00-007-5266
NSN 6685-01-618-3896
NSN 5950-01-469-3372
NSN 5990-01-485-0260
NSN 5965-00-698-0433
NSN 5990-00-741-9775