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 5920-00-879-8626
NSN 5925-00-770-4068
NSN 5930-01-568-4441
NSN 5998-00-275-7221
NSN 7035-01-455-1998
NSN 5905-01-020-9457
NSN 5855-01-479-3152
NSN 2925-01-092-7335
NSN 6130-01-432-2067
NSN 6685-00-396-0170
NSN 6110-00-369-1586
NSN 6240-00-754-8392