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 5835-01-367-4330
NSN 5945-00-990-3933
NSN 6145-00-269-4271
NSN 6620-00-417-6285
NSN 5895-00-890-3526
NSN 5925-01-643-9262
NSN 6240-00-299-9819
NSN 5915-01-340-5953
NSN 5855-00-433-2377
NSN 5945-00-225-9070
NSN 2925-01-656-0392
NSN 4140-01-281-8832