6675-00-020-9940 (NT3-530AAM)
6675-00-020-9940 is equivalent to manufacture part number 216-159. It is a base plate assembly and is classified under Federal Supply Class 6675 (6675 - Drafting and Surveying Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6675 - Drafting and Surveying Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.