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 2925-01-025-0082
NSN 5835-01-574-0080
NSN 6130-00-803-4580
NSN 5925-00-016-3758
NSN 6105-00-941-2931
NSN 5990-01-195-0593
NSN 5920-01-055-2024
NSN 5990-01-122-9149
NSN 4140-01-621-1521
NSN 6135-01-166-7355
NSN 5905-01-075-7061
NSN 6320-01-296-3181