6685-01-178-5007 (1223-36-W/M)
6685-01-178-5007 is equivalent to manufacture part number 1223-36-W/M. It is a u-tube manometer and is classified under Federal Supply Class 6685 (6685 - Pressure, Temperature, and Humidity Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6685 - Pressure, Temperature, and Humidity Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.