A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5905-01-418-3028
NSN 5960-00-499-6781
NSN 5990-00-004-4158
NSN 5895-01-267-5912
NSN 6610-01-256-7938
NSN 6240-01-359-2721
NSN 5998-00-969-8811
NSN 5985-01-455-0321
NSN 6240-01-032-9952
NSN 5935-01-529-8188
NSN 5835-01-328-6626
NSN 5999-01-406-1859