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 5945-00-347-5153
NSN 5996-01-279-0143
NSN 5895-00-276-5475
NSN 6650-00-597-7313
NSN 5960-01-530-0581
NSN 5975-01-245-6569
NSN 5999-00-153-9671
NSN 5999-00-246-4003
NSN 7035-01-467-3101
NSN 6150-00-295-5714
NSN 5930-00-221-5070
NSN 6130-01-568-1158