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 5945-01-350-4132
NSN 6650-01-418-0790
NSN 5965-01-127-0389
NSN 6685-00-351-9082
NSN 6685-01-177-4005
NSN 5975-00-148-8499
NSN 5975-01-453-2070
NSN 5985-01-574-4908
NSN 6105-01-120-4285
NSN 5998-01-061-2346
NSN 6130-01-368-8645
NSN 5999-01-351-6452