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 6645-01-382-3114
NSN 5925-01-034-2283
NSN 6240-01-224-7656
NSN 2925-01-215-5022
NSN 5990-01-434-7913
NSN 5998-01-620-0252
NSN 6610-01-278-9215
NSN 5996-01-349-3333
NSN 6135-00-299-6918
NSN 5990-01-514-8708
NSN 6620-01-431-9176
NSN 5998-00-471-6000