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 6150-01-242-9055
NSN 5990-00-104-4903
NSN 5999-01-256-5323
NSN 5965-01-068-2714
NSN 6645-00-948-9763
NSN 5905-01-164-4029
NSN 6650-00-684-3060
NSN 5960-01-032-4229
NSN 5945-01-218-8315
NSN 5996-01-400-1640
NSN 5905-01-258-6391
NSN 6150-01-441-6568