Description Dry Pressure Gauge - 0-400 PSI Range - Black drawn steel 2.5" diameter case, clear plastic lens with painted friction ring, 1/4" brass bottom inlet connection. Copper alloy gear movement and Bourdon tube. Large, easy to read numerals. This item is a suitable alternative for the following: 920-SG400, 660132, 5167066, 5167005, 2332920-SG400, 400G