A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 5950-00-280-7825
NSN 5996-01-524-8953
NSN 5915-00-659-3107
NSN 5905-01-655-8617
NSN 6685-00-296-0392
NSN 5855-01-521-1922
NSN 6220-00-508-9155
NSN 5905-01-604-3892
NSN 6610-00-955-6118
NSN 5930-00-612-8487
NSN 6110-00-295-2754
NSN 6610-01-643-6652