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 5910-00-782-0175
NSN 6135-01-586-9728
NSN 5985-00-107-8994
NSN 6105-01-534-5360
NSN 5855-01-230-4665
NSN 5925-01-414-6866
NSN 5999-01-453-7798
NSN 6645-01-128-9353
NSN 5905-00-120-2668
NSN 6610-00-019-1538
NSN 6320-01-607-0347
NSN 5990-01-365-6016