A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6110-01-388-2389
NSN 5920-01-348-8736
NSN 6220-01-642-4987
NSN 6610-00-020-6738
NSN 6610-00-717-6666
NSN 6645-00-274-5670
NSN 6220-00-863-0134
NSN 5910-00-728-8639
NSN 5996-01-303-8361
NSN 5930-00-778-3072
NSN 6685-01-426-7958
NSN 5925-01-128-9524