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 6240-01-028-2971
NSN 5935-01-287-3890
NSN 6240-01-382-3756
NSN 6220-01-130-3620
NSN 5905-00-694-0742
NSN 6105-01-464-4251
NSN 5998-01-152-2248
NSN 5925-01-526-9074
NSN 6685-01-560-8769
NSN 6150-00-636-8938
NSN 2925-01-190-0510
NSN 6135-01-378-2137