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 6645-00-226-2270
NSN 6220-01-461-5936
NSN 5895-00-079-5044
NSN 5910-00-477-9437
NSN 5895-01-569-5797
NSN 5895-00-630-1868
NSN 5950-00-111-3430
NSN 5920-01-186-0963
NSN 5910-01-595-2546
NSN 6145-01-230-8292
NSN 5985-00-241-5512
NSN 5855-00-054-4686