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 5935-01-367-2245
NSN 5990-00-865-8002
NSN 5996-01-075-5184
NSN 5855-01-392-1110
NSN 6145-01-142-2234
NSN 6320-01-204-2922
NSN 6320-01-399-6177
NSN 5965-01-482-0235
NSN 5920-01-311-9812
NSN 6130-01-456-8605
NSN 5985-01-457-6059
NSN 5945-00-963-5805