A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5920-01-421-0291
NSN 5920-01-655-0406
NSN 5965-01-147-5847
NSN 5915-01-383-2583
NSN 5895-00-909-0607
NSN 5905-01-442-7682
NSN 6620-01-053-6650
NSN 5910-01-153-2651
NSN 5965-00-023-0944
NSN 5920-01-422-4151
NSN 6645-00-200-2324
NSN 6105-01-262-2625