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 5930-01-010-5227
NSN 6135-01-177-3552
NSN 6610-00-659-1603
NSN 6145-01-602-7739
NSN 4140-00-522-4069
NSN 6645-01-391-3499
NSN 6150-01-193-0315
NSN 6240-01-179-2898
NSN 5910-01-269-3013
NSN 5915-00-269-4463
NSN 6610-01-555-8791
NSN 6145-01-521-1824