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 5930-01-041-8102
NSN 6610-00-130-6074
NSN 5915-00-617-5054
NSN 5895-01-123-8694
NSN 5905-01-013-9386
NSN 6135-01-195-5343
NSN 6610-01-609-0799
NSN 5945-01-263-5642
NSN 5895-00-536-0838
NSN 5950-01-150-7212
NSN 6320-01-294-2500
NSN 6650-01-078-8179