A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6650-00-078-5773
NSN 5990-01-351-2379
NSN 6110-01-566-8069
NSN 6110-01-435-6486
NSN 5996-01-597-4912
NSN 6145-00-221-6528
NSN 5998-00-081-1454
NSN 5990-01-263-9364
NSN 6645-00-348-2841
NSN 6135-00-334-4500
NSN 5975-00-725-6860
NSN 6105-01-461-8426