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 5990-01-443-2931
NSN 5910-01-448-6675
NSN 5925-00-706-9975
NSN 5985-01-209-2304
NSN 5998-01-456-4896
NSN 6135-00-299-6918
NSN 7035-01-181-2705
NSN 5998-01-328-9130
NSN 5975-01-160-4742
NSN 4140-01-213-9199
NSN 6130-00-125-4605
NSN 6130-01-044-7208