A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5990-01-288-7393
NSN 5925-01-201-1007
NSN 5835-01-011-4366
NSN 5990-00-762-8059
NSN 5965-00-729-6835
NSN 5985-01-179-2771
NSN 6645-01-240-5499
NSN 6110-00-269-2696
NSN 6650-00-137-5859
NSN 5950-01-634-0677
NSN 5895-01-315-6803
NSN 6650-00-170-5095