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 5915-01-450-9285
NSN 5960-01-279-2589
NSN 6320-01-416-9357
NSN 5965-01-331-1644
NSN 6135-01-142-2417
NSN 5998-00-891-4495
NSN 5930-01-027-2834
NSN 6110-00-765-9789
NSN 6320-00-593-0379
NSN 6135-01-017-3001
NSN 5905-01-013-8937
NSN 5990-01-485-0260