A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5935-00-957-6256
NSN 5998-00-058-0516
NSN 4140-00-563-7198
NSN 6145-01-246-3988
NSN 6240-01-252-9374
NSN 6110-01-502-7286
NSN 6610-00-814-8598
NSN 6145-01-371-2101
NSN 5835-01-561-2959
NSN 6320-00-456-0836
NSN 6150-01-481-9444
NSN 5915-01-170-8271