3 milled slots 0.094 in. W on id 120 degrees apart
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: Articles of aluminum nesoi
NSN 6150-01-553-5399
NSN 4140-00-272-6538
NSN 6130-00-986-1675
NSN 6220-00-793-3167
NSN 6240-00-957-5724
NSN 4140-01-602-3914
NSN 5996-01-511-0458
NSN 5935-00-902-8110
NSN 7035-01-459-5293
NSN 6645-01-164-7650
NSN 5990-00-459-5752
NSN 5905-01-286-7953