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 5895-00-923-5797
NSN 5910-01-289-3069
NSN 5920-01-544-4673
NSN 5920-00-144-8031
NSN 5905-00-238-0958
NSN 6110-00-902-3727
NSN 5950-00-397-9869
NSN 2925-01-384-4139
NSN 6620-00-104-5677
NSN 5996-01-299-0681
NSN 5910-00-534-6510
NSN 6620-01-034-4539