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 6135-00-477-8847
NSN 5910-00-996-2259
NSN 5835-00-185-4919
NSN 5996-01-126-7238
NSN 5975-01-619-5982
NSN 5935-01-504-4853
NSN 6110-00-323-0289
NSN 5935-01-286-7138
NSN 5996-00-701-9550
NSN 6320-01-353-9753
NSN 6685-00-483-8607
NSN 5835-00-358-4235