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 5835-00-868-3399
NSN 6145-00-519-2712
NSN 2925-00-211-4761
NSN 5999-01-422-4873
NSN 6130-00-042-7952
NSN 5985-01-297-7619
NSN 6150-01-357-9529
NSN 5999-00-899-8558
NSN 5915-01-494-0651
NSN 5985-01-350-7498
NSN 5945-01-282-6900
NSN 6320-00-573-8034