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 5945-01-617-7527
NSN 5996-01-576-1975
NSN 6320-01-132-2746
NSN 6135-01-607-3013
NSN 5965-01-435-3414
NSN 6620-01-483-1138
NSN 5915-01-123-7891
NSN 6240-01-117-7150
NSN 5965-01-602-5734
NSN 6130-01-455-7828
NSN 6645-01-258-5558
NSN 5999-01-106-4046