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 6110-01-313-9030
NSN 6130-01-502-8271
NSN 5960-01-029-4551
NSN 2925-00-912-3993
NSN 5990-01-172-4553
NSN 6145-00-936-0083
NSN 5965-00-508-3270
NSN 5960-01-170-4057
NSN 5990-01-172-4553
NSN 5975-00-512-7027
NSN 6645-01-374-6343
NSN 5999-01-121-3335