Used on pylon structu. 3b thread class right-hand 0.700" thread length 20 thread quantity per inch insert, threaded has class 1 knurl in accordance with asme b-946 for outter surface. passivate surface treated plain unc thread series
Used on 4910-01-490-6453. external dia. 3/8-20; drill size (part no.) for steel or cast iron = 23/64" (30-058) ; drill size (part no.) for aluminum, non-ferrous, ect. "s" (34-s) slotted