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 6320-01-384-3850
NSN 5990-00-067-6791
NSN 6240-01-308-1848
NSN 5905-01-559-5231
NSN 6130-00-188-7928
NSN 5990-00-403-8367
NSN 5920-01-258-6360
NSN 6685-00-139-5713
NSN 6610-01-585-9255
NSN 4140-01-418-3017
NSN 5985-01-160-7140
NSN 5915-00-937-7496