Pilot with no. 4-40unc-2b thd through 1 side
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 5905-01-619-6522
NSN 6150-01-462-6044
NSN 2925-00-704-3690
NSN 6240-01-111-3394
NSN 6610-00-811-6072
NSN 5910-00-276-8592
NSN 5999-01-584-7398
NSN 6320-01-198-4024
NSN 7035-01-322-8180
NSN 5910-01-411-4661
NSN 6610-00-209-4372
NSN 5960-01-324-5702