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 6110-00-126-4875
NSN 5935-00-206-7217
NSN 6135-00-782-6988
NSN 5895-01-429-8561
NSN 5920-00-773-1282
NSN 6220-00-678-9075
NSN 6645-01-079-3741
NSN 6610-00-466-3104
NSN 6145-01-527-0081
NSN 5910-00-152-0506
NSN 5996-00-416-8877
NSN 5910-01-345-0263