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 6320-01-374-9924
NSN 6105-00-542-7948
NSN 5895-00-480-3254
NSN 5915-00-870-4654
NSN 6610-01-440-9913
NSN 5895-01-200-2715
NSN 5895-01-511-6150
NSN 6220-00-332-5859
NSN 5965-01-277-1648
NSN 6145-00-539-9799
NSN 7035-01-113-6492
NSN 6110-01-108-4060