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 5905-01-430-9110
NSN 5990-01-085-9117
NSN 5920-01-651-5136
NSN 6685-01-438-6094
NSN 5855-01-031-4729
NSN 4140-01-580-2041
NSN 6110-01-576-3337
NSN 5975-01-240-3256
NSN 6130-00-476-6841
NSN 6135-01-096-1452
NSN 6620-01-105-5770
NSN 5930-01-382-9276