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: Nuts of iron or steel
NSN 4140-01-577-9385
NSN 5990-01-633-9503
NSN 6645-01-198-9457
NSN 5950-01-175-9804
NSN 5905-01-123-8993
NSN 5915-01-574-0214
NSN 6240-00-931-6686
NSN 6240-00-702-1814
NSN 5855-00-763-2155
NSN 6150-01-305-8102
NSN 5925-01-623-3864
NSN 5910-00-075-3501