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 5985-01-422-1096
NSN 6110-01-109-0434
NSN 5835-01-086-6999
NSN 4140-01-501-7397
NSN 5935-01-027-5351
NSN 7035-01-368-3338
NSN 6685-01-429-8298
NSN 7035-00-104-7613
NSN 6150-00-758-9420
NSN 5990-01-089-9694
NSN 5895-01-017-2973
NSN 6145-00-553-8196