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 6645-01-494-3845
NSN 5945-01-137-7563
NSN 5998-00-623-2954
NSN 6685-01-465-8638
NSN 5945-01-084-6336
NSN 5925-01-442-8589
NSN 5835-00-483-7615
NSN 5996-00-872-1033
NSN 2925-01-422-1542
NSN 6220-01-179-4491
NSN 5835-01-424-0054
NSN 5996-01-147-6054