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 5905-01-233-7873
NSN 6105-01-367-8150
NSN 6320-01-214-0350
NSN 5965-01-358-3198
NSN 4140-01-221-0638
NSN 6320-01-416-9357
NSN 4140-01-501-7397
NSN 5985-01-369-4721
NSN 5996-01-237-3757
NSN 6685-01-175-5844
NSN 5999-01-460-9224
NSN 6240-01-026-0032