Seiler Instrument and Manufacturing Co. Inc.,* St. Louis, Missouri, has been awarded a maximum $15,572,430 firm-fixed-price, indefinite-delivery/indefinite-quantity contract for telescope and quadrants mounts. A delivery order (SPRDL1-24-F-0253) was executed at the time of award. This was a competitive acquisition with one response received. This is a five-year contract with no option periods. The ordering period end date is Sept. 24, 2029. Using military service is Army. Type of appropriation is fiscal 2024 through 2028 Army working capital funds. The contracting activity is the Defense Logistics Agency Land and Maritime, Warren, Michigan (SPRDL1-24-D-0074).