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.
NSN 6220-01-128-7552
NSN 5998-01-250-1664
NSN 5925-00-785-6260
NSN 7035-01-591-0422
NSN 4140-00-134-4463
NSN 5905-01-245-9243
NSN 6685-01-444-7604
NSN 5905-01-036-5476
NSN 5990-01-576-4383
NSN 6135-01-549-5587
NSN 6685-01-115-1052
NSN 5835-01-593-7579