A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6320-00-322-3460
NSN 5999-01-257-0550
NSN 5999-00-288-3143
NSN 5930-00-153-9551
NSN 6645-01-650-5735
NSN 5905-01-360-7442
NSN 5905-00-055-1466
NSN 5925-01-089-9791
NSN 6135-00-299-6918
NSN 5915-01-492-5333
NSN 5855-01-474-6456
NSN 6240-01-388-2413