Used on 2420-01-532-3399, tractor, wheeled, industrial. tolerance class 6g for 8.8 before plating thread class right-hand 36.0mm thread length chromate zinc fastener surface treated m thread series
Used on 2815-01-538-4257, engine, diesel. 2a thread class right-hand 1.250" thread length flat countersunk undercut head style 40 thread quantity per inch unf thread series
Used on 3830-01-538-1421, winch attachment, single drum, model pa80. 2a thread class hexagon head style 20 thread quantity per inch set screw, socket head (1/2 - 20 X1) nha is idler shaft unf thread series