6685-00-581-8867 (578-9200-1572633REVDPC25)
6685-00-581-8867 is equivalent to manufacture part number 3DP. It is a di compound pressure-vacuum 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.