A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5855-00-256-5562
NSN 4140-01-380-8871
NSN 5895-01-455-6572
NSN 5925-01-243-7009
NSN 5945-01-216-1683
NSN 6650-01-519-9165
NSN 5835-01-623-3328
NSN 6240-00-092-3186
NSN 6110-01-098-9864
NSN 5950-00-067-5849
NSN 6645-01-172-4477
NSN 6105-01-504-8764