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 4140-01-167-2251
NSN 5915-00-582-1499
NSN 5930-01-515-4837
NSN 6645-01-386-4588
NSN 5925-01-144-0445
NSN 5950-01-044-6175
NSN 5910-01-224-5268
NSN 5930-01-019-0857
NSN 6105-00-627-5876
NSN 6110-00-172-6126
NSN 7035-01-502-9967
NSN 6685-00-813-2417