The Naval Research Laboratory has a requirement for (15) UV laser grade Calcium Fluoride Windows with the following specification: 10 cm by 7.5 cm by 1.27 cm thick with all dimensions within +/- 0.01 cm tolerance of specification. 5/10 scratch-dig on both window faces with all edges beveled approximately 1 mm at 45 degrees and the sides ground to approximately 220 grit finish. Brand name or equal. See Note 1. Response date to be determined at issuance of RFQ. RFQ will not appear on our web page until the 16th day after this notice appears in the CBD.