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 6320-01-144-3810
NSN 6220-01-500-2188
NSN 2925-01-043-9786
NSN 6645-00-300-0401
NSN 5999-01-573-7602
NSN 4140-01-470-7990
NSN 5975-00-155-4181
NSN 5925-01-515-7049
NSN 6105-01-021-0235
NSN 5960-01-299-4566
NSN 5965-01-455-3738
NSN 6240-01-482-1262