Cres, ams 5355, rockwell c 40 minutes hardness rating, passivatedfinish per qq-p-35 type i, 1.265 in. Od, 1.010 in. Min, 1.020 in. Max id, 0.180 in. W, two 0.078 in. Min, 0.083 in. Max w slots 180 degrees apartslots to be 90 degrees to center line of thd within 0.005 in.0.060 in. To center line of thd, 0.580 in.Min, 0.585 in. Max fromcenter of scraper to bottom of slot, 5 thds per in. Rh three degrees 12minutes 37 seconds helix angle 0.2000 in. Lead plus or minus 0.002 in.Ball thd data, surfaces 125 microinch or better
