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 7035-01-382-4413
NSN 4140-01-443-4123
NSN 6145-01-166-8664
NSN 6685-00-623-9213
NSN 5950-01-583-5043
NSN 6150-00-386-1996
NSN 6320-01-152-8873
NSN 6620-01-487-0605
NSN 6135-00-351-8606
NSN 6610-01-414-1755
NSN 5998-01-495-4602
NSN 4140-01-350-0300