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 6130-00-852-6379
NSN 5945-01-523-8438
NSN 6320-01-549-7201
NSN 6685-01-283-9009
NSN 5915-01-113-7872
NSN 5925-01-121-0401
NSN 5915-00-454-7746
NSN 5835-00-752-6065
NSN 6645-01-406-6077
NSN 6685-01-442-8579
NSN 5835-01-089-1076
NSN 5855-01-632-9530