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 6110-00-981-6725
NSN 2925-01-380-0869
NSN 5965-00-055-8013
NSN 5950-01-022-2092
NSN 5915-01-353-2859
NSN 6610-01-461-8180
NSN 6150-01-365-2197
NSN 5996-00-992-7231
NSN 5950-01-094-5139
NSN 5960-00-586-5292
NSN 6610-01-269-5437
NSN 6110-01-622-2923