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 7035-00-009-8705
NSN 5910-01-381-9541
NSN 5960-01-599-9821
NSN 7035-01-215-2449
NSN 6610-01-134-7397
NSN 5999-01-276-8970
NSN 5998-01-034-5197
NSN 5996-00-397-4318
NSN 6110-01-501-0215
NSN 6150-00-052-6559
NSN 4140-00-072-0865
NSN 6650-00-185-8344