A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6130-01-634-0603
NSN 6110-00-396-1604
NSN 5905-00-905-3335
NSN 6610-01-605-1161
NSN 5855-00-911-1370
NSN 5920-01-210-2300
NSN 5975-01-187-0810
NSN 6320-01-054-3046
NSN 5998-01-089-8700
NSN 5910-01-335-8924
NSN 6320-01-039-5891
NSN 6110-00-115-5873