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 6240-01-160-8975
NSN 5905-01-620-8943
NSN 5990-01-045-7754
NSN 6150-01-634-0575
NSN 5910-01-467-0741
NSN 5920-01-247-2029
NSN 5950-01-195-7310
NSN 5920-01-381-3115
NSN 5945-01-327-3629
NSN 5960-01-119-4609
NSN 6130-01-008-2603
NSN 5920-01-143-2212