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 6610-01-376-9199
NSN 6650-01-085-9426
NSN 5945-00-216-7432
NSN 6130-00-911-9563
NSN 5930-00-538-3324
NSN 6105-00-165-4236
NSN 7035-01-577-3778
NSN 7035-01-336-0464
NSN 6145-01-294-2303
NSN 5998-01-648-2656
NSN 5999-00-466-3226
NSN 4140-01-657-8419