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 5910-00-129-9381
NSN 5945-00-964-6354
NSN 5925-00-205-2767
NSN 6145-01-088-7999
NSN 6620-00-585-5443
NSN 5965-00-239-3471
NSN 5925-01-398-0013
NSN 6105-01-231-9823
NSN 6110-00-920-7100
NSN 7035-01-314-7559
NSN 5999-00-529-0157
NSN 5990-01-235-8404