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 5910-00-394-1690
NSN 5965-01-322-8136
NSN 5855-00-189-6066
NSN 5999-01-463-3026
NSN 5960-00-195-6435
NSN 6145-01-110-9836
NSN 6650-01-528-3890
NSN 5960-01-108-6636
NSN 4140-00-170-5152
NSN 5985-01-020-7594
NSN 5998-01-440-9732
NSN 6620-01-327-3011