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 5960-00-727-8633
NSN 5998-00-143-8541
NSN 6685-01-339-4385
NSN 5975-01-428-7278
NSN 6150-01-222-9581
NSN 6110-01-204-6595
NSN 5905-01-567-5947
NSN 5835-01-384-3206
NSN 5985-00-770-5558
NSN 5935-00-935-5769
NSN 5895-01-571-6701
NSN 6135-01-142-2417