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 6105-00-915-5683
NSN 5975-00-827-0261
NSN 6150-01-166-4577
NSN 5965-01-064-7496
NSN 6130-01-253-4050
NSN 6110-01-115-3871
NSN 7035-01-220-6392
NSN 5996-00-487-0755
NSN 2925-01-179-2648
NSN 6145-01-480-3275
NSN 5905-00-131-9402
NSN 6150-00-631-6641