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 6320-01-592-6248
NSN 5915-01-608-9318
NSN 5998-01-340-7982
NSN 5990-01-232-6018
NSN 5999-01-521-3148
NSN 6610-00-234-9390
NSN 5895-01-008-9939
NSN 6220-01-025-8551
NSN 5960-01-496-7837
NSN 4140-01-175-6035
NSN 6650-00-287-5868
NSN 5905-00-770-9440