Color gray or color blue
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 5999-01-423-9876
NSN 5998-00-256-9469
NSN 5950-01-585-1022
NSN 6650-01-233-1484
NSN 6645-00-330-2813
NSN 5985-00-479-4750
NSN 5855-01-218-3735
NSN 6135-01-202-8113
NSN 5960-01-595-6515
NSN 6650-00-966-5205
NSN 5975-00-755-3703
NSN 5990-00-851-2793