6605-00-010-4904 (481501-1)
6605-00-010-4904 is equivalent to manufacture part number 481501-1. It is a alignmen periscope and is classified under Federal Supply Class 6605 (6605 - Navigational Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6605 - Navigational Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.