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 5985-00-067-6750
NSN 5835-00-422-1441
NSN 6130-00-925-2303
NSN 6610-01-278-9387
NSN 6105-00-398-4673
NSN 5998-00-541-8792
NSN 5930-01-486-2551
NSN 6320-01-519-8767
NSN 7035-01-351-4111
NSN 6145-00-191-0789
NSN 6620-01-452-1161
NSN 5930-00-079-9901