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 5920-00-648-6767
NSN 6105-01-360-6793
NSN 5999-00-706-3780
NSN 6645-01-133-4440
NSN 5905-01-033-6581
NSN 5895-01-205-5287
NSN 5950-00-891-4206
NSN 6135-00-027-3914
NSN 5855-00-688-9954
NSN 7035-00-392-5417
NSN 5996-00-248-7061
NSN 7035-01-196-3445