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 6220-01-084-6402
NSN 6150-01-008-5336
NSN 5930-01-244-4618
NSN 5920-01-218-9342
NSN 6145-01-611-7640
NSN 5915-01-542-9037
NSN 5935-00-543-3379
NSN 5975-00-115-0009
NSN 6685-01-442-4985
NSN 5925-00-209-0435
NSN 7035-01-211-3326
NSN 6645-00-183-8812