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 4140-01-463-5194
NSN 6320-00-149-7570
NSN 5999-00-932-9185
NSN 5910-00-951-0333
NSN 6150-01-416-1751
NSN 6135-00-519-1325
NSN 5925-00-155-8463
NSN 5905-01-556-4408
NSN 5920-01-246-5678
NSN 6645-00-739-6718
NSN 5915-01-527-2088
NSN 5835-01-218-5560