6675-00-869-8053 (AL21-67BG)
6675-00-869-8053 is equivalent to manufacture part number AL-23. It is a wit surveying level 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.