A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5855-00-930-9478
NSN 5990-01-525-1674
NSN 6320-01-456-2859
NSN 5835-00-391-5773
NSN 6130-01-547-9288
NSN 6220-00-635-8818
NSN 5999-00-233-4382
NSN 6320-01-569-2672
NSN 6130-00-224-6951
NSN 5835-00-516-8675
NSN 6610-01-443-9768
NSN 6240-01-476-5776