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 6130-01-139-4491
NSN 5905-01-053-3956
NSN 6105-00-954-0757
NSN 5910-01-210-6344
NSN 6685-01-122-4456
NSN 5920-01-375-5859
NSN 6685-01-571-7926
NSN 5930-01-207-0854
NSN 5915-01-330-2846
NSN 5975-01-602-8801
NSN 6610-01-524-0636
NSN 6150-01-483-0759