A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5975-01-032-6131
NSN 5835-01-652-0168
NSN 5925-01-031-7381
NSN 6240-01-073-4487
NSN 4140-00-108-5688
NSN 5996-01-596-5544
NSN 5990-01-503-6827
NSN 2925-00-468-5273
NSN 6145-01-568-2628
NSN 7035-00-631-3782
NSN 5915-01-204-5833
NSN 6610-01-299-7171