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 5950-01-070-5520
NSN 6650-01-550-5221
NSN 6650-01-340-6720
NSN 5996-01-398-8197
NSN 4140-01-046-8196
NSN 6645-01-350-3138
NSN 6240-01-208-6229
NSN 6145-01-390-0699
NSN 2925-01-397-8028
NSN 6645-00-690-0423
NSN 5945-00-951-6781
NSN 6135-01-116-3385