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 5950-01-621-2166
NSN 6645-00-173-2800
NSN 5855-01-330-3669
NSN 5965-01-332-0622
NSN 6135-00-271-0407
NSN 5835-01-397-8801
NSN 6610-01-633-8931
NSN 5950-00-392-1719
NSN 6320-01-573-6490
NSN 4140-01-634-0330
NSN 5960-00-182-7375
NSN 6650-01-294-5243