A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5965-01-434-0705
NSN 4140-01-080-8268
NSN 6645-01-621-5424
NSN 5990-01-287-1682
NSN 6620-01-169-2406
NSN 6685-01-274-2177
NSN 6320-00-242-3300
NSN 5930-01-381-1059
NSN 5965-01-259-9591
NSN 6240-01-398-2887
NSN 6645-01-299-7806
NSN 6145-00-248-4932