2a and b8
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 6650-01-633-9147
NSN 6220-01-465-2469
NSN 6610-01-229-3679
NSN 7035-01-114-8550
NSN 6130-01-288-3333
NSN 6110-01-158-0059
NSN 7035-01-322-0221
NSN 5935-01-198-7028
NSN 7035-01-422-4642
NSN 5905-01-591-2495
NSN 5965-01-503-0699
NSN 6620-00-957-9325