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 5905-01-483-7709
NSN 6110-00-686-4685
NSN 6685-00-226-5700
NSN 6105-01-572-6288
NSN 6130-01-223-2247
NSN 6105-00-291-0154
NSN 5895-00-395-2657
NSN 5910-01-069-9457
NSN 6685-01-091-2432
NSN 5835-01-519-2916
NSN 6685-00-248-7716
NSN 5965-01-418-5535