A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5835-01-474-1224
NSN 6645-01-602-3528
NSN 5945-00-840-9172
NSN 6150-01-080-4536
NSN 5998-01-355-5389
NSN 6620-01-160-3475
NSN 6240-01-126-9167
NSN 5855-01-542-2016
NSN 6645-01-136-1491
NSN 6650-01-462-4749
NSN 5855-00-188-6747
NSN 4140-01-613-8430