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 5925-01-529-6836
NSN 5975-01-641-7294
NSN 6110-01-354-7515
NSN 5835-00-054-4607
NSN 5920-01-110-3177
NSN 5945-01-551-0654
NSN 6240-00-500-4404
NSN 6135-00-840-6451
NSN 6610-00-597-5671
NSN 6220-00-577-3435
NSN 5835-01-362-8367
NSN 6645-00-930-9356