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 5925-00-561-9648
NSN 2925-00-679-8131
NSN 6620-01-292-5072
NSN 5895-01-643-6626
NSN 6320-00-405-2348
NSN 5950-01-206-4403
NSN 6240-00-069-3505
NSN 5999-01-186-0407
NSN 6645-00-363-9775
NSN 5985-01-012-9693
NSN 5998-00-633-5169
NSN 6105-00-246-7116