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 5950-01-578-8337
NSN 6220-01-479-6262
NSN 2925-00-278-9468
NSN 5910-01-274-5106
NSN 6220-00-682-8292
NSN 5999-01-366-8893
NSN 6685-00-712-4416
NSN 7035-01-121-5905
NSN 5945-00-907-1351
NSN 6650-00-731-8388
NSN 5999-00-974-6702
NSN 6240-01-235-2604