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 5950-01-366-2304
NSN 5910-01-122-0949
NSN 5999-00-726-3251
NSN 5990-01-116-2181
NSN 5910-00-391-5250
NSN 5945-01-535-6385
NSN 6620-01-261-2985
NSN 5915-00-391-5735
NSN 5960-00-553-7338
NSN 5960-01-303-8140
NSN 5960-00-204-7506
NSN 6105-00-248-5772