Matl steel sae uns k05802-b
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 4140-01-265-0731
NSN 5905-01-252-0384
NSN 5945-01-634-0588
NSN 5965-00-615-0758
NSN 6220-00-643-4045
NSN 6620-01-186-4374
NSN 6610-01-356-3435
NSN 6240-01-294-8997
NSN 6150-01-367-0746
NSN 6150-01-627-1616
NSN 5996-01-633-2867
NSN 5960-00-188-8648