Stainless steel; 17 ph series steel shall not be used; 400 series steel shall not be used for springs; acrylic lacquer, mil-l-81352; insignia white, 17875, fed standard 595; 4.344 in. Lg; 2.250 in. W; 0.938 in. H; two mtg holes 0.190-32 unf-2b by 0.250 in. Dp spaced 1.563 in. Apart; valve stem w/0.153 in. Square drive hole; valve stem sleeve threaded 0.625-18 unf-3a by 0.375 in. Lg; three ports marked, park, in, out
