A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5835-01-561-2959
NSN 6240-01-488-9811
NSN 5920-00-515-3617
NSN 5975-01-421-2230
NSN 5960-01-533-5162
NSN 5990-00-043-4048
NSN 6645-01-633-1852
NSN 4140-01-426-8428
NSN 6650-01-015-7111
NSN 5910-01-552-2271
NSN 5855-01-481-4760
NSN 4140-00-500-2718