A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6610-00-137-5890
NSN 6320-01-046-5228
NSN 5998-01-358-6968
NSN 5999-01-050-7854
NSN 5920-01-142-3984
NSN 5975-01-347-8402
NSN 5835-01-375-8930
NSN 6135-00-764-8680
NSN 5999-01-182-5447
NSN 6110-01-221-0483
NSN 5910-00-054-7734
NSN 5920-01-502-9681