Color gray or color blue
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 5920-01-571-1560
NSN 7035-01-420-5404
NSN 5930-00-936-1762
NSN 5975-01-584-3151
NSN 6220-00-233-7436
NSN 5925-00-329-9190
NSN 6650-01-258-5871
NSN 6145-01-227-9958
NSN 5835-01-207-6612
NSN 5999-01-600-0011
NSN 5895-00-263-3982
NSN 5905-00-837-6905