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 6110-00-669-6726
NSN 5835-00-165-3069
NSN 5910-01-452-1542
NSN 5895-00-155-8581
NSN 6145-01-033-1492
NSN 6135-01-255-9129
NSN 5895-01-215-8483
NSN 5930-01-242-4415
NSN 6650-01-135-7472
NSN 5975-01-143-7753
NSN 6685-01-508-2249
NSN 5985-00-752-0632