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 6620-00-334-7249
NSN 5910-01-192-5164
NSN 5930-01-526-4995
NSN 7035-01-287-9817
NSN 6320-00-937-5625
NSN 5910-01-367-4412
NSN 5945-01-123-9006
NSN 6220-00-431-9844
NSN 5975-00-079-0022
NSN 6685-01-411-7113
NSN 5985-01-418-8092
NSN 5855-00-821-7512