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 6130-00-985-1108
NSN 5925-01-561-9676
NSN 5998-01-574-7086
NSN 5930-01-286-8270
NSN 5945-01-048-0749
NSN 5975-00-471-0625
NSN 5930-00-078-8302
NSN 6130-01-156-9753
NSN 6220-01-574-3669
NSN 5895-01-218-0602
NSN 5996-00-238-5654
NSN 5905-00-116-6534