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 5930-00-799-4372
NSN 6145-01-360-5863
NSN 6320-01-574-1915
NSN 6220-00-081-6429
NSN 5935-01-381-3326
NSN 5999-01-152-5202
NSN 6610-01-096-0894
NSN 2925-01-424-7674
NSN 5965-01-381-2423
NSN 6240-00-256-6410
NSN 5945-01-250-2050
NSN 5960-00-448-9414