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 5835-01-285-3704
NSN 6105-01-220-5963
NSN 6320-01-157-9076
NSN 5960-01-287-4187
NSN 5996-00-737-0646
NSN 4140-01-408-2985
NSN 5998-01-053-8922
NSN 5925-01-384-3402
NSN 5945-01-214-9072
NSN 5895-01-403-2793
NSN 5915-01-446-6930
NSN 5950-01-120-7775