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 5975-01-218-1730
NSN 6145-01-154-9606
NSN 6645-01-503-2240
NSN 6110-00-557-8631
NSN 6150-00-840-3674
NSN 6105-01-088-7044
NSN 5895-01-255-6868
NSN 5990-01-127-1108
NSN 6620-01-144-2488
NSN 5945-00-299-7152
NSN 6110-01-028-2717
NSN 5925-00-977-5843