A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6610-01-486-4522
NSN 6135-00-885-6003
NSN 5999-01-052-8459
NSN 5990-01-384-2697
NSN 5910-01-217-5702
NSN 5975-01-416-2835
NSN 5998-01-500-9398
NSN 5996-01-370-9886
NSN 6645-01-376-2336
NSN 6645-01-227-2036
NSN 6150-01-032-4161
NSN 6645-01-523-8809