A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5915-01-495-6459
NSN 5950-01-124-5516
NSN 5855-01-624-2678
NSN 5915-01-177-5060
NSN 4140-01-123-6066
NSN 6150-01-474-9051
NSN 6320-00-405-2348
NSN 5990-01-554-4128
NSN 7035-00-623-4744
NSN 6610-01-336-2787
NSN 5905-01-370-0329
NSN 5999-01-101-1769