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 6240-00-542-6657
NSN 5910-01-079-3590
NSN 5905-00-836-6830
NSN 6130-00-627-8840
NSN 7035-00-803-3056
NSN 6105-01-447-2984
NSN 6220-01-203-4400
NSN 6130-01-039-6571
NSN 6620-01-010-0038
NSN 5895-01-367-7192
NSN 5990-01-633-9503
NSN 6105-01-641-7015