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 4140-01-388-0835
NSN 5910-01-606-9761
NSN 6620-00-663-8962
NSN 5905-00-204-0469
NSN 6645-01-546-2203
NSN 7035-01-115-8996
NSN 5950-01-613-7839
NSN 5915-01-507-7490
NSN 5895-00-410-3772
NSN 7035-01-438-2108
NSN 6110-01-577-2571
NSN 6685-01-023-0640