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 5930-00-451-8663
NSN 6110-01-222-0661
NSN 5975-01-249-9120
NSN 5998-01-214-8237
NSN 6620-01-383-7519
NSN 6620-01-223-9025
NSN 5835-01-434-0790
NSN 5935-01-468-7840
NSN 5910-01-137-4212
NSN 7035-00-104-7613
NSN 5925-01-529-6371
NSN 5855-01-508-6917