A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 4140-00-167-1705
NSN 5975-00-348-7427
NSN 5985-01-182-6119
NSN 6105-00-104-6853
NSN 6650-01-581-1184
NSN 5920-00-973-6637
NSN 5999-00-897-2293
NSN 6145-01-227-5743
NSN 5999-01-292-3024
NSN 5950-00-534-3333
NSN 6110-01-055-6442
NSN 5996-00-558-6491