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 6105-00-664-1292
NSN 5895-00-332-9394
NSN 6620-01-652-4349
NSN 5925-01-111-0655
NSN 2925-00-203-8735
NSN 5905-00-682-7859
NSN 5965-01-572-4148
NSN 5835-01-487-3042
NSN 5999-01-469-5421
NSN 2925-01-567-8027
NSN 5910-01-442-3647
NSN 6105-01-097-0777