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.
NSN 6620-01-311-3516
NSN 6240-00-435-0433
NSN 5895-00-876-0913
NSN 5930-01-172-9448
NSN 6645-01-034-6037
NSN 5915-01-094-2942
NSN 6145-01-534-2748
NSN 5998-00-594-4474
NSN 6110-01-128-5018
NSN 5905-01-117-7968
NSN 6645-01-585-8628
NSN 6240-01-386-1354