A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6135-01-116-3385
NSN 4140-01-634-0330
NSN 5910-01-290-4421
NSN 5999-01-618-8010
NSN 5965-01-013-0290
NSN 6650-00-872-0942
NSN 5975-01-120-1088
NSN 5925-00-405-9343
NSN 4140-01-306-7138
NSN 5905-00-706-6684
NSN 6150-01-306-0712
NSN 5935-00-262-5173