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 6220-01-114-4688
NSN 5998-00-365-8887
NSN 6130-01-239-5612
NSN 5960-00-027-3681
NSN 2925-01-415-2140
NSN 5950-00-115-7168
NSN 5945-01-056-5035
NSN 5855-01-420-2746
NSN 6610-00-150-7002
NSN 5935-01-134-8085
NSN 5915-01-424-0767
NSN 5855-00-125-0780