Item is steel cres 17-4ph per ams 5643 condition h1025; major diameter 0.3750 in. Max, 0.3709 in. Min., pitch diameter 0.3634 in. Max, 0.3657 in. Min, minor diameter 0.3531 in. Max., 375-56 uns-3a threads external; minor diameter 0.1707 in.Min., 0.1739 max, pitch diameter 0.1784 in. Min, 0.1808 in. Max, major diameter 0.1900 in. Min., .190-56 uns-3b threads internal; o/a lg .930 in.; slot down center
