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 6645-00-679-8203
NSN 5855-01-604-0801
NSN 6650-00-483-2853
NSN 4140-01-312-2361
NSN 5895-00-491-7066
NSN 6620-00-770-0989
NSN 5905-01-506-7010
NSN 6130-01-561-0986
NSN 5895-01-388-3739
NSN 6220-01-604-6477
NSN 5975-00-130-5682
NSN 6610-01-605-2451