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 5935-01-052-5223
NSN 6110-01-062-7532
NSN 5950-01-545-8396
NSN 5965-01-335-6630
NSN 6150-01-388-4095
NSN 6650-00-987-5070
NSN 6145-01-605-9983
NSN 5935-01-384-3835
NSN 5965-00-594-3115
NSN 6620-00-947-3889
NSN 6135-01-056-4609
NSN 4140-01-307-2484