Dyed orange
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 6645-01-203-9542
NSN 5905-01-508-4193
NSN 6240-00-269-9727
NSN 5990-01-148-5326
NSN 5915-01-603-4913
NSN 5835-01-373-9506
NSN 5855-01-425-1330
NSN 5998-01-085-1082
NSN 6135-01-386-5709
NSN 6145-01-501-6548
NSN 5975-01-344-6474
NSN 6145-01-561-5249