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 6150-01-303-5852
NSN 6105-00-838-9409
NSN 5996-01-413-9280
NSN 6130-00-914-1129
NSN 6685-01-368-1534
NSN 6220-00-112-2182
NSN 5935-01-198-9991
NSN 5855-00-361-0167
NSN 5910-01-018-1442
NSN 6130-00-621-7997
NSN 5925-00-165-0371
NSN 4140-01-485-7625