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 5975-01-099-2407
NSN 5996-00-479-5939
NSN 5920-01-508-9004
NSN 6645-01-437-9017
NSN 5990-01-595-9441
NSN 6610-01-212-8854
NSN 6150-00-516-8445
NSN 5960-00-627-8574
NSN 6105-01-268-5146
NSN 6110-01-113-7642
NSN 6105-01-629-1964
NSN 5835-00-233-6327