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 5990-00-056-3177
NSN 5855-01-630-4299
NSN 6130-01-375-7054
NSN 6220-00-390-1170
NSN 5835-01-580-0446
NSN 5990-00-578-8850
NSN 5999-00-645-8875
NSN 6650-01-223-3113
NSN 6240-01-524-0510
NSN 5996-00-329-2886
NSN 5950-01-232-7831
NSN 5950-00-054-3227