End rod material to be corrision resistant steel 17-4 ph per specification ams 5643 heat treated to h900 condition perspec milh6875b; control assembly shall have polytetrafluoroethylene ball separators; control assemblies are approximate, exact lengthsto be determined on first installation; 327.500 nom.In.0.244 min.In.Dia, 0.250max in. Diameter first end; 1/4-28 unf3a per mil-s-7742 2 places first end; scraper ring seal, 0.429 min.In.0.437 max in.Dia., 7/16-20 unf3a per mil-s-7742 2 places 3.380 min.In., 3.620 max in. From first end; 0.365 min.In., 0.375 max in. Dia.Wrench flat 2 places second end