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 5965-01-577-3827
NSN 6130-01-068-4002
NSN 5920-01-524-5696
NSN 6610-01-339-1595
NSN 5965-01-466-7829
NSN 6135-01-428-8821
NSN 5930-00-469-3407
NSN 6240-01-542-9964
NSN 2925-00-284-1534
NSN 2925-01-611-2423
NSN 6110-01-312-4439
NSN 6240-01-069-4711