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 5920-00-931-7979
NSN 6130-01-444-1371
NSN 5915-01-019-8618
NSN 6130-01-512-2683
NSN 5960-01-269-5704
NSN 5910-01-170-1531
NSN 6105-01-429-0232
NSN 6105-01-433-0535
NSN 5990-01-093-3087
NSN 5960-00-971-8432
NSN 5920-01-143-0433
NSN 5965-00-339-2743