A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5920-00-043-1425
NSN 4140-00-934-8800
NSN 5975-01-400-4204
NSN 5975-00-407-6554
NSN 5935-01-250-3908
NSN 5996-00-118-9218
NSN 5855-01-291-6790
NSN 6150-01-230-3794
NSN 6110-01-068-3982
NSN 6320-01-399-6177
NSN 5915-01-415-4649
NSN 5998-00-816-6014