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 5910-00-574-5753
NSN 5920-00-391-6252
NSN 5855-00-256-5562
NSN 5910-00-254-6309
NSN 6130-00-469-2714
NSN 6220-01-297-3218
NSN 6610-00-369-6661
NSN 4140-00-222-2186
NSN 5935-00-007-1945
NSN 5905-01-319-4805
NSN 6320-01-388-3125
NSN 5975-00-450-7227