A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6610-00-542-6307
NSN 5996-01-266-0658
NSN 6220-01-649-5291
NSN 6240-00-727-8573
NSN 5996-00-974-9583
NSN 6685-01-323-5272
NSN 5905-00-887-9471
NSN 6145-01-461-9072
NSN 5975-01-200-1071
NSN 5990-01-499-6930
NSN 5998-00-197-6321
NSN 6645-00-951-0687