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 6620-01-363-8362
NSN 5930-01-326-6429
NSN 2925-00-082-8219
NSN 2925-01-267-1598
NSN 6110-01-162-3399
NSN 5960-01-398-4883
NSN 7035-01-578-8449
NSN 5998-01-627-7347
NSN 5925-01-113-7793
NSN 5915-00-442-4275
NSN 5910-01-393-2302
NSN 6150-01-310-6639