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 2925-01-043-9786
NSN 5985-00-577-9659
NSN 5930-01-647-7192
NSN 5965-00-396-3411
NSN 6110-01-463-8392
NSN 5930-01-538-4739
NSN 5910-01-585-1701
NSN 5935-00-476-5111
NSN 6150-01-345-6166
NSN 5998-00-983-4214
NSN 6150-01-468-4408
NSN 6650-01-073-9520