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 6145-01-300-2983
NSN 2925-00-973-9413
NSN 5950-01-088-6181
NSN 6145-01-423-7725
NSN 6105-01-109-6256
NSN 6620-01-085-8688
NSN 6145-01-499-5031
NSN 6645-01-012-7670
NSN 5985-01-321-0926
NSN 6320-01-571-4530
NSN 6320-00-238-9973
NSN 6130-00-639-0666