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 6220-01-542-8738
NSN 5998-01-089-6409
NSN 5910-01-658-2513
NSN 5855-01-095-5299
NSN 5895-01-116-2065
NSN 5920-01-453-7523
NSN 6135-01-098-3020
NSN 5960-01-632-6576
NSN 5905-01-332-9246
NSN 5925-01-634-0664
NSN 5935-00-109-7291
NSN 5975-01-085-5824