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 5835-00-454-7239
NSN 6105-01-484-2167
NSN 6110-01-273-0223
NSN 6135-01-196-7399
NSN 5950-01-351-3357
NSN 5910-01-227-5315
NSN 6610-01-466-3681
NSN 5960-00-707-3335
NSN 6110-01-154-3676
NSN 5835-01-187-8986
NSN 6220-01-435-6297
NSN 6240-01-216-4060