A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6145-01-178-1333
NSN 6645-01-413-0515
NSN 7035-01-633-9537
NSN 6685-00-394-6355
NSN 6150-01-605-0959
NSN 5965-01-642-1560
NSN 5998-00-237-1834
NSN 5960-01-408-3702
NSN 6105-01-469-6027
NSN 5915-00-280-1428
NSN 6610-00-446-2880
NSN 5950-01-206-7049