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 5998-01-293-7114
NSN 5835-01-606-8768
NSN 6610-00-897-3242
NSN 5935-00-229-3886
NSN 5835-01-366-5907
NSN 5950-01-443-0568
NSN 5935-01-212-7270
NSN 5996-01-105-7385
NSN 5990-01-296-4535
NSN 5960-01-221-0498
NSN 6145-01-602-5190
NSN 5965-01-156-7013