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 5945-00-913-5412
NSN 5905-01-406-8710
NSN 5835-00-546-4898
NSN 6110-00-271-9928
NSN 6320-01-631-7828
NSN 5996-01-130-5128
NSN 2925-00-497-7808
NSN 5996-01-469-6003
NSN 6105-00-103-8293
NSN 6145-01-529-6566
NSN 7035-01-172-0250
NSN 6150-00-853-5877