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 5925-00-489-5427
NSN 5915-00-286-3272
NSN 6130-00-073-2994
NSN 2925-00-925-0545
NSN 6685-01-632-8809
NSN 5975-00-791-2835
NSN 6105-01-180-8382
NSN 5920-01-186-0109
NSN 5835-01-123-8305
NSN 5905-00-355-1615
NSN 6105-01-412-0811
NSN 5999-01-143-5691