Dyed brown
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5855-00-688-9954
NSN 5990-01-474-3477
NSN 5920-01-466-1485
NSN 5935-00-935-5769
NSN 2925-01-247-8058
NSN 6105-01-332-0182
NSN 5998-00-916-7482
NSN 5915-01-167-9072
NSN 6130-00-085-0691
NSN 7035-01-085-5955
NSN 5960-01-649-1341
NSN 6110-00-990-2318