A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 4140-01-148-2815
NSN 5935-00-922-8596
NSN 5930-00-597-5064
NSN 4140-00-373-4833
NSN 6650-00-157-4217
NSN 6150-01-085-5085
NSN 5990-00-826-7051
NSN 5960-01-423-2511
NSN 5999-01-048-6369
NSN 6150-01-366-5797
NSN 6240-00-527-8614
NSN 5960-01-097-0645