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 4140-01-148-3591
NSN 5999-00-141-3756
NSN 5925-01-659-7872
NSN 5905-01-485-6382
NSN 5855-00-928-1912
NSN 6610-00-170-6715
NSN 5985-01-255-9618
NSN 5895-01-303-5770
NSN 6130-01-532-1595
NSN 6145-00-116-5597
NSN 5895-00-172-8732
NSN 5905-00-557-6289