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 5998-01-591-3287
NSN 5920-01-595-7650
NSN 6220-01-301-5411
NSN 5950-01-059-4185
NSN 4140-00-492-2468
NSN 6645-00-337-8276
NSN 5835-01-214-5402
NSN 6685-01-627-4226
NSN 6220-00-772-6840
NSN 5905-01-164-2490
NSN 6110-01-121-8318
NSN 6105-01-503-3415