2a thread class right-hand 2.407" overall length 0.675" overall width female screwlock position a-1, guide socket position a-4, guide pin position 1, male screw lock position 4, and bracket on a-4 side unc thread series
2a thread class right-hand 2.422" overall length 0.828" overall width item must comply with requirements of desc production standard no. L02126; for navy nuclear propulsion plant products only unc thread series