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 7035-01-107-2811
NSN 5985-00-542-0597
NSN 5996-01-606-9454
NSN 5996-00-912-1078
NSN 5910-00-306-0169
NSN 6150-01-533-7206
NSN 5998-00-686-2152
NSN 5855-01-657-7657
NSN 6685-00-434-7755
NSN 4140-01-507-3172
NSN 5985-01-433-1057
NSN 5935-01-482-6124