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 6220-01-634-0660
NSN 6620-00-601-3885
NSN 6645-00-533-8037
NSN 6685-01-285-9469
NSN 5960-00-080-3700
NSN 6130-01-378-2214
NSN 5965-01-420-6613
NSN 6105-01-247-2269
NSN 6685-00-596-8765
NSN 5990-01-632-0969
NSN 6610-00-038-8148
NSN 5998-00-900-1941