5860-01-533-9060 (428-R13B-1)
5860-01-533-9060 is equivalent to manufacture part number 428-R13B-1. It is a diffu beam expander and is classified under Federal Supply Class 5860 (5860 - Coherent Radiation Devices), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5860 - Coherent Radiation Devices and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.