Heat treated
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 6150-01-245-5177
NSN 5915-01-014-1042
NSN 5950-00-420-2919
NSN 6130-01-604-1604
NSN 5998-01-114-8877
NSN 6150-01-442-6748
NSN 2925-00-092-6526
NSN 5999-00-736-4198
NSN 5950-00-186-0682
NSN 6105-01-438-9750
NSN 5855-01-074-3335
NSN 5975-01-025-9990