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 5920-00-957-6859
NSN 6685-01-633-4024
NSN 5905-01-580-7999
NSN 6130-01-654-7422
NSN 6610-01-268-8456
NSN 6645-01-465-4915
NSN 6135-01-214-6441
NSN 5910-01-642-9741
NSN 5975-01-058-8901
NSN 5930-01-624-4316
NSN 5999-01-354-9881
NSN 6105-00-183-9019