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 5855-01-633-7796
NSN 5910-01-383-5896
NSN 5998-00-453-8297
NSN 6240-00-014-5670
NSN 5905-01-357-3274
NSN 5975-01-004-7966
NSN 5895-01-130-0029
NSN 5960-01-297-2665
NSN 6130-01-160-1727
NSN 6240-01-305-6933
NSN 5950-01-108-6033
NSN 6645-01-023-0005