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 5910-01-155-7947
NSN 5895-01-458-0209
NSN 5975-00-007-9010
NSN 5930-00-190-4765
NSN 6220-01-024-5931
NSN 5910-01-163-8863
NSN 5960-00-382-6012
NSN 5945-01-128-3205
NSN 5930-01-372-2884
NSN 5965-01-538-0698
NSN 5835-01-170-5537
NSN 5855-00-004-0904