6 grooves 0.219 in. W by 0.312 in. Deep
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 5999-00-834-2729
NSN 6150-01-641-8450
NSN 5925-01-592-3077
NSN 5998-01-618-2243
NSN 5910-00-313-7206
NSN 5855-00-797-8217
NSN 6610-01-188-8163
NSN 5920-01-526-9246
NSN 5985-01-510-8495
NSN 7035-00-541-8516
NSN 5965-01-033-9352
NSN 6105-00-292-4110