6685-00-006-9918 (1577080TY2-0-1IN)
6685-00-006-9918 is equivalent to manufacture part number 12-191712-00. It is a dial indicatin differential 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.