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 5895-01-502-6301
NSN 5960-01-048-3429
NSN 5975-01-452-7679
NSN 5910-00-631-4316
NSN 5915-00-254-8189
NSN 6240-01-358-7127
NSN 5960-01-624-1170
NSN 6240-00-260-0399
NSN 5985-01-521-1495
NSN 6150-00-700-6664
NSN 5905-00-007-4367
NSN 5960-01-066-4771