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 6110-00-185-8147
NSN 2925-01-138-3565
NSN 5996-00-959-5944
NSN 5930-01-196-4818
NSN 5910-01-571-8500
NSN 5920-00-808-0037
NSN 5950-00-943-0239
NSN 6620-01-548-9993
NSN 5999-01-563-0645
NSN 5910-01-266-7809
NSN 5930-00-940-3069
NSN 6150-01-510-9343