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 6620-01-606-8964
NSN 6610-00-273-9019
NSN 5965-01-561-8862
NSN 5855-01-091-2273
NSN 5960-01-454-7064
NSN 6620-00-383-8740
NSN 6110-01-539-6476
NSN 6105-00-531-0563
NSN 5925-01-584-5331
NSN 5895-00-654-5812
NSN 5990-01-100-1840
NSN 5996-01-127-5431