6685-00-833-0000 (1-2 100FMS1-2LBM1500 412100FMS12LBM1500)
6685-00-833-0000 is equivalent to manufacture part number 4. It is a dial indicating pressure gage 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.