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 6105-01-594-2251
NSN 5999-00-618-9352
NSN 6685-01-575-0313
NSN 2925-00-288-1394
NSN 5905-00-950-4421
NSN 6240-00-491-7191
NSN 5985-01-654-0448
NSN 6645-00-763-4852
NSN 6645-01-044-2602
NSN 6620-01-369-3589
NSN 6150-00-932-6068
NSN 6105-01-210-8948