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 5965-01-237-3342
NSN 6130-00-880-3980
NSN 6150-01-495-5235
NSN 6610-01-379-6750
NSN 5895-01-170-5532
NSN 5910-01-498-5075
NSN 5910-01-583-2403
NSN 6150-01-515-8495
NSN 6105-00-758-4190
NSN 5975-00-233-3830
NSN 5925-01-534-2272
NSN 6645-00-979-6824