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 6150-00-812-8145
NSN 6220-01-394-1282
NSN 5990-00-758-5930
NSN 6105-01-109-1252
NSN 6150-00-623-9652
NSN 6610-00-466-3104
NSN 5925-01-600-6303
NSN 6130-00-538-0875
NSN 5855-01-421-6483
NSN 6145-01-339-0338
NSN 6645-01-462-2101
NSN 6650-01-113-6689