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 2925-01-069-5324
NSN 5855-01-393-8749
NSN 5930-01-576-9314
NSN 6240-00-260-0399
NSN 5910-00-637-2609
NSN 2925-01-472-4423
NSN 6685-01-504-5513
NSN 6220-01-203-4559
NSN 6110-00-586-6681
NSN 5985-01-422-2552
NSN 5998-01-285-9482
NSN 5998-01-527-4359