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: Threaded fasteners of aluminum
NSN 5905-01-204-5729
NSN 6685-01-495-0654
NSN 5910-01-184-9350
NSN 5950-01-196-4983
NSN 5835-01-242-9806
NSN 6620-01-495-7446
NSN 6645-01-400-1137
NSN 7035-01-217-7474
NSN 5950-01-412-1858
NSN 6130-01-472-1748
NSN 6620-01-239-3804
NSN 5950-01-141-7635