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 5998-00-402-3992
NSN 6685-01-482-5413
NSN 6150-01-641-6579
NSN 5910-01-491-2763
NSN 6135-01-359-5798
NSN 5855-00-149-0766
NSN 5996-01-118-1686
NSN 5945-01-241-3557
NSN 5975-00-756-2451
NSN 5950-01-558-8385
NSN 5960-01-656-6343
NSN 6110-01-348-2951