A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5999-01-353-6921
NSN 6135-01-468-2970
NSN 5945-01-398-0249
NSN 7035-00-064-7008
NSN 7035-01-005-6971
NSN 6620-01-266-5545
NSN 6220-01-337-9507
NSN 6220-00-862-3221
NSN 6220-01-482-9714
NSN 6650-01-341-1670
NSN 5920-01-604-5820
NSN 6620-00-450-3952