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 5930-01-518-8898
NSN 6610-01-393-2388
NSN 5950-01-113-7834
NSN 6320-01-442-3428
NSN 6610-01-308-6148
NSN 5915-01-565-8736
NSN 5965-00-251-2529
NSN 7035-00-782-7046
NSN 6135-01-648-4140
NSN 5945-01-167-8194
NSN 6110-00-308-3993
NSN 6110-01-389-8563