"COMPATIBLE WITH MIL-H-46170 HYDRAULIC FLUID; SIZE 4.5 INCH BY 7.88 INCH BY 18.5 INCH; MANIFOLD BLOCK HAS FIVE THREADED CONNECTIONS FOR 1 INCH TUBE FITTINGS, ONE UNTHREADED CONNECTION FOR 1 INCH FLANGE, ONE UNTHREADED CONNECTION FOR 0.812 INCH FLANGE, AND TWO THREADED CONNECTIONS FOR 0.5 INCH TUBE FITTINGS, ALL CONNECTIONS REQUIRE O'RING SEALS"