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 5996-01-057-1981
NSN 6320-01-372-8671
NSN 5990-01-548-3711
NSN 6240-01-371-0978
NSN 5990-00-968-1253
NSN 5998-01-617-1524
NSN 5998-01-377-4316
NSN 5835-01-209-6410
NSN 5895-01-164-0575
NSN 6240-01-563-5904
NSN 6645-01-144-2161
NSN 2925-01-252-8049