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 5920-00-085-0828
NSN 5915-01-625-2517
NSN 6110-01-313-9030
NSN 5950-01-386-5182
NSN 5915-01-323-5383
NSN 5915-01-619-6424
NSN 6620-00-557-7008
NSN 7035-01-413-6697
NSN 6105-01-281-3219
NSN 5985-01-525-5939
NSN 6135-01-265-1384
NSN 6150-01-390-4709