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 7035-01-177-2807
NSN 5920-01-029-8496
NSN 6110-01-054-5014
NSN 6150-01-569-8050
NSN 5925-01-469-3103
NSN 6220-00-230-0807
NSN 5999-01-171-8617
NSN 5855-01-254-3110
NSN 5910-00-528-5133
NSN 5915-00-670-7948
NSN 5985-01-317-5101
NSN 5999-00-116-6161