A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6135-00-488-4478
NSN 5925-01-173-4740
NSN 6685-01-598-4497
NSN 5835-01-282-9768
NSN 5950-00-901-0338
NSN 6105-01-448-9380
NSN 5985-01-176-6721
NSN 6240-01-392-5991
NSN 5945-01-503-9468
NSN 5998-01-454-9144
NSN 6130-00-520-4952
NSN 5920-01-634-0250