A circular disc, usually metallic, which has alternate solid and cut-out quadrants. It is specifically designed to fit a cell used to bore sight a target. Excludes target, boresighting.
NSN 5930-01-196-7151
NSN 4140-01-477-9245
NSN 2925-01-394-5650
NSN 5945-01-141-7017
NSN 5945-01-308-4010
NSN 5975-00-938-3794
NSN 5895-01-067-7957
NSN 5835-01-085-5487
NSN 6240-01-354-2626
NSN 6145-00-515-6931
NSN 6685-00-516-2173
NSN 6240-01-063-7685