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 6645-01-268-0544
NSN 6620-00-082-1525
NSN 6110-01-199-8921
NSN 6110-00-492-1167
NSN 6240-01-254-6019
NSN 5950-01-649-6454
NSN 5960-00-824-4006
NSN 5990-01-181-9886
NSN 5950-01-154-8751
NSN 6685-01-609-9611
NSN 6135-01-388-2761
NSN 6105-01-469-2744