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 6145-00-074-2736
NSN 5905-00-254-9977
NSN 5960-01-118-3394
NSN 6610-01-478-9707
NSN 6320-00-500-4172
NSN 6105-01-442-0649
NSN 5945-01-574-6401
NSN 6130-00-469-3161
NSN 5925-01-357-7180
NSN 6650-01-082-1533
NSN 5915-00-298-1969
NSN 5930-01-211-9410