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 6110-00-560-0795
NSN 6130-01-186-6575
NSN 6240-01-432-0819
NSN 6105-01-112-0490
NSN 2925-00-790-6949
NSN 5920-01-573-2540
NSN 5935-01-123-9934
NSN 5905-01-459-1165
NSN 5965-01-030-7253
NSN 5910-01-511-5582
NSN 5930-01-237-9081
NSN 6220-00-979-6158