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 5920-00-421-7546
NSN 5915-01-333-4749
NSN 5935-00-991-3615
NSN 5915-01-391-7830
NSN 5835-01-359-2575
NSN 6105-00-445-7843
NSN 6645-00-139-9239
NSN 5925-01-619-7736
NSN 5996-01-562-7347
NSN 6320-01-054-3046
NSN 5999-01-300-9753
NSN 5895-01-377-0662