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 5915-00-971-5626
NSN 6130-01-442-7301
NSN 5990-01-425-2175
NSN 6135-01-125-4867
NSN 5930-00-276-9289
NSN 6610-01-011-0296
NSN 5945-00-918-8315
NSN 6150-01-230-5522
NSN 5915-01-273-4400
NSN 7035-00-286-6221
NSN 5925-00-035-4126
NSN 6135-01-573-1831