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 5950-01-266-1897
NSN 5905-01-579-2835
NSN 6685-01-301-5361
NSN 2925-01-371-6853
NSN 5930-01-125-4167
NSN 5965-00-715-6159
NSN 2925-01-645-2948
NSN 5945-00-103-1767
NSN 5975-01-043-3084
NSN 6320-01-381-7023
NSN 5985-01-629-9918
NSN 6220-01-605-0832