A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6110-01-225-1589
NSN 5920-01-134-8547
NSN 5905-01-396-1844
NSN 5855-00-237-4088
NSN 5910-00-484-8583
NSN 5999-01-198-6076
NSN 6220-01-576-0077
NSN 4140-01-098-0213
NSN 5930-01-444-3814
NSN 5999-00-199-8159
NSN 6110-01-183-6656
NSN 5975-00-081-2171