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 5975-01-135-4453
NSN 6145-00-164-0260
NSN 5950-00-228-4996
NSN 5965-00-752-5823
NSN 6620-01-624-3933
NSN 5999-01-487-6205
NSN 5999-00-244-1589
NSN 5920-00-689-5656
NSN 5960-01-547-6699
NSN 5910-01-423-8643
NSN 5998-01-414-2866
NSN 5998-00-572-1121