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 5996-00-230-5550
NSN 5915-00-023-1843
NSN 5915-00-823-8334
NSN 6645-01-629-9657
NSN 5999-01-141-9350
NSN 6610-00-432-4438
NSN 5990-01-296-8190
NSN 5990-00-479-9157
NSN 5965-00-820-0469
NSN 6220-01-618-2491
NSN 6685-00-292-1045
NSN 5975-00-674-8339