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 6220-01-126-0238
NSN 6220-01-196-5189
NSN 6105-00-149-1602
NSN 5920-01-510-7858
NSN 5985-01-151-6003
NSN 6110-01-024-8220
NSN 5930-01-114-0547
NSN 6320-01-652-3806
NSN 2925-01-391-9247
NSN 6220-00-383-9402
NSN 6240-01-614-0559
NSN 5998-01-158-6067