6030-01-389-8631 (CC120/4-G-R)
6030-01-389-8631 is equivalent to manufacture part number 4R27020-G. It is a light signal receiver and is classified under Federal Supply Class 6030 (6030 - Fiber Optic Devices), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6030 - Fiber Optic Devices and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.