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 6240-00-476-1228
NSN 6685-00-857-4283
NSN 6620-01-296-0871
NSN 2925-01-115-0306
NSN 5985-01-163-0323
NSN 5999-01-650-6561
NSN 5996-01-221-2091
NSN 5920-01-251-2358
NSN 6645-00-119-6221
NSN 5910-01-564-4903
NSN 5915-01-343-3236
NSN 6610-01-370-3886