A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6220-00-157-5009
NSN 5965-01-629-7447
NSN 5965-01-221-8182
NSN 5935-01-331-5025
NSN 5999-01-045-4155
NSN 5945-00-151-4623
NSN 5990-00-777-0413
NSN 5930-00-143-1017
NSN 5925-01-288-0025
NSN 5930-01-176-9474
NSN 6685-01-413-8374
NSN 5975-01-604-3292