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 4140-01-552-9319
NSN 6150-00-778-8610
NSN 5930-00-078-1746
NSN 5990-01-130-4959
NSN 6145-01-535-6220
NSN 6620-01-111-3335
NSN 5990-00-498-5934
NSN 5935-01-519-5410
NSN 6220-01-020-7596
NSN 5935-01-258-3430
NSN 5999-00-650-1709
NSN 6685-01-334-5274