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 5935-01-399-8732
NSN 7035-01-610-0802
NSN 6320-00-098-2858
NSN 5998-01-485-2085
NSN 6645-00-566-5537
NSN 5905-01-099-8774
NSN 5999-00-985-4946
NSN 6220-01-148-2735
NSN 5835-00-373-2671
NSN 6685-01-158-1184
NSN 5915-01-514-8689
NSN 6320-00-701-0437