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 5950-00-603-6961
NSN 6110-01-121-0029
NSN 5975-01-064-5190
NSN 6150-01-380-6681
NSN 7035-00-541-8516
NSN 6145-01-431-6834
NSN 5855-01-275-8080
NSN 5915-01-452-6934
NSN 5835-01-532-9373
NSN 6135-01-416-3181
NSN 5998-01-646-1051
NSN 6685-01-534-2357