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 6145-00-370-1964
NSN 6145-01-552-0654
NSN 5950-00-783-8287
NSN 6610-00-106-3401
NSN 6645-01-188-5237
NSN 5915-00-278-5561
NSN 6685-00-546-9323
NSN 5945-01-414-9825
NSN 2925-01-285-7163
NSN 6685-01-558-5121
NSN 5945-00-296-8464
NSN 7035-01-073-0394