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 6220-00-660-5539
NSN 6135-01-537-1234
NSN 6135-01-633-8502
NSN 5960-01-283-7129
NSN 6685-01-608-5596
NSN 5925-00-951-3103
NSN 5960-00-552-1940
NSN 6240-00-105-8380
NSN 4140-01-413-9378
NSN 5996-01-463-3152
NSN 7035-00-104-7613
NSN 5925-01-026-0891