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 4140-01-589-3647
NSN 6240-01-087-8328
NSN 5975-01-366-0881
NSN 6145-01-619-0313
NSN 6150-00-419-4305
NSN 5930-01-128-1420
NSN 2925-01-328-4394
NSN 6320-01-319-3584
NSN 6240-00-160-0786
NSN 6650-01-474-0249
NSN 5999-00-439-5183
NSN 6220-01-596-3176