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 5930-01-631-0166
NSN 5895-01-430-0321
NSN 5915-01-064-2442
NSN 6130-00-541-8468
NSN 6130-01-022-2311
NSN 5960-01-170-4057
NSN 5996-01-278-9294
NSN 2925-01-543-0073
NSN 5855-01-459-1151
NSN 6135-01-275-1363
NSN 5965-01-365-7470
NSN 5835-01-072-5638