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 6645-01-187-1790
NSN 6620-00-807-6954
NSN 6220-01-626-5140
NSN 6610-00-186-9180
NSN 6645-01-384-0628
NSN 6685-01-032-6896
NSN 6320-00-925-0558
NSN 6685-01-154-7114
NSN 5945-01-175-7318
NSN 4140-01-442-8479
NSN 5905-00-782-7751
NSN 6145-01-254-4505