5905-00-583-6222 (D176176A3480000HMS)
5905-00-583-6222 is equivalent to manufacture part number CR51U. It is a quartz crystal unit and is classified under Federal Supply Class 5905 (5905 - Resistors), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5905 - Resistors and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.