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 5905-01-071-4578
NSN 6130-01-456-2088
NSN 6320-00-513-8376
NSN 6685-01-634-0611
NSN 6110-00-369-1586
NSN 5925-01-411-9736
NSN 5915-01-411-6202
NSN 5965-01-507-4318
NSN 6220-01-513-9279
NSN 6620-01-263-6697
NSN 2925-01-572-5846
NSN 6220-00-678-9075