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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6685-00-279-3620
NSN 5925-01-196-5123
NSN 5999-00-398-1583
NSN 4140-00-045-8117
NSN 5999-01-474-0364
NSN 5925-00-886-8041
NSN 6105-01-098-5538
NSN 4140-00-150-8265
NSN 5935-00-394-9903
NSN 5990-01-294-6198
NSN 6130-00-583-9925
NSN 5855-01-149-4110