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 5990-01-130-4959
NSN 6110-01-008-9760
NSN 5998-01-112-5334
NSN 5925-00-925-2164
NSN 6105-01-539-1615
NSN 5935-01-461-3786
NSN 5915-00-341-6505
NSN 6610-01-446-9735
NSN 5905-01-394-5195
NSN 5925-00-950-7444
NSN 5965-01-050-8447
NSN 6645-01-609-4753