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 6320-00-242-3300
NSN 5910-00-456-3454
NSN 5990-01-270-3209
NSN 6650-00-130-0847
NSN 5930-01-525-8279
NSN 6610-01-127-0724
NSN 6240-01-519-8781
NSN 6320-00-343-1798
NSN 2925-00-064-9887
NSN 5935-01-565-9787
NSN 5925-01-423-0079
NSN 5905-01-281-6957