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 2925-00-470-8585
NSN 5960-01-064-3292
NSN 6320-00-894-1644
NSN 6610-01-029-8749
NSN 2925-01-180-7793
NSN 5998-00-191-0395
NSN 6320-01-425-1417
NSN 6650-01-019-9870
NSN 6110-01-323-5273
NSN 5996-01-275-5712
NSN 6105-01-397-8711
NSN 6145-01-525-8140