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 5965-01-137-3769
NSN 5915-00-018-9433
NSN 6620-01-201-4176
NSN 5990-00-362-1453
NSN 6620-00-411-4983
NSN 6135-01-027-7543
NSN 6685-00-678-9004
NSN 6145-00-262-3345
NSN 6145-01-069-5286
NSN 5915-01-323-5383
NSN 6240-01-536-1767
NSN 5905-00-151-6653