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 6645-00-927-8735
NSN 5999-01-231-2336
NSN 6685-01-263-5479
NSN 6610-00-184-0833
NSN 7035-01-254-3606
NSN 5905-01-152-2580
NSN 6110-01-099-6893
NSN 5960-01-654-4353
NSN 2925-01-423-3003
NSN 5925-00-825-6068
NSN 6130-01-145-7841
NSN 5975-00-907-2909