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 5930-00-931-8001
NSN 6150-01-250-8776
NSN 5999-01-351-3770
NSN 5905-01-070-6881
NSN 5996-00-243-6962
NSN 5965-01-093-0642
NSN 4140-01-385-8478
NSN 6105-01-359-1463
NSN 5910-01-168-3283
NSN 5975-01-401-5355
NSN 5960-01-586-5235
NSN 6135-01-648-0057