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 5930-01-430-7186
NSN 5950-01-357-2384
NSN 5855-01-512-1926
NSN 6650-00-238-1199
NSN 6685-01-339-1902
NSN 5960-01-281-5437
NSN 5855-01-224-7975
NSN 6610-01-624-5664
NSN 5960-01-641-5493
NSN 5930-01-633-2873
NSN 5945-01-104-4926
NSN 5950-01-049-5068