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 6645-01-434-9993
NSN 6610-01-217-4162
NSN 5975-01-160-0481
NSN 5990-01-527-7640
NSN 5975-00-889-0496
NSN 5998-00-810-8374
NSN 6685-01-169-5243
NSN 5990-01-105-0260
NSN 6145-01-420-9289
NSN 6220-01-327-3272
NSN 6145-01-573-7994
NSN 4140-01-544-4685