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 5998-01-090-0998
NSN 6650-01-275-9778
NSN 6130-00-316-5085
NSN 5950-00-149-2378
NSN 2925-01-472-4144
NSN 5998-01-135-6333
NSN 5910-00-884-5267
NSN 5990-00-467-7431
NSN 6685-01-328-0647
NSN 5895-01-147-6310
NSN 6220-00-331-7291
NSN 6135-01-069-2482