Grade 2 steel
No other part numbers with same form, fit, and function found.
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 5905-01-418-5364
NSN 4140-01-133-6446
NSN 6240-00-433-2707
NSN 6105-01-324-5947
NSN 6135-00-851-8575
NSN 6150-01-510-4217
NSN 6220-01-483-7765
NSN 5999-00-902-2879
NSN 5998-01-101-0329
NSN 6145-00-140-1605
NSN 5910-00-276-8592
NSN 5925-01-085-9022