Apollo Command Module Optical Sextant Liner sealed in its original packaging. The red metal liner measures 8" in diameter, with stamped part numbers to top, "1021 377-021," and underside, "Assy 1021 358-011" and "Assy 1021 358-011." Packaging retains original "Controlled Cleanliness Article" label, and the interior appears to house a package of small ablative plugs.
