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 5950-01-052-5949
NSN 5855-01-653-4319
NSN 6650-00-403-5251
NSN 5925-00-736-0425
NSN 5915-01-530-5526
NSN 5950-01-422-5457
NSN 6240-00-318-7162
NSN 4140-00-093-7679
NSN 6650-00-960-5040
NSN 5935-01-484-8816
NSN 5910-00-459-6862
NSN 6220-00-142-5115