Steel, cadmium plated washer
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 6610-01-378-2789
NSN 6620-00-590-9257
NSN 5895-00-720-4148
NSN 6145-01-319-1007
NSN 6105-00-035-8809
NSN 5905-01-195-5795
NSN 6150-00-578-6464
NSN 5855-01-426-5589
NSN 5895-01-327-0342
NSN 5925-01-395-1496
NSN 6110-01-385-7177
NSN 6645-01-159-1489