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 6620-00-512-4147
NSN 6145-01-634-0388
NSN 6645-00-421-5287
NSN 6220-01-631-6530
NSN 5999-00-608-4260
NSN 5975-00-683-5869
NSN 6685-01-251-8148
NSN 6645-01-381-6084
NSN 6130-01-203-3484
NSN 5996-01-464-4359
NSN 5925-00-578-4774
NSN 4140-00-753-1416