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 2925-00-109-4694
NSN 6220-01-084-6402
NSN 5945-01-542-2747
NSN 6240-01-259-2090
NSN 5996-00-999-3891
NSN 5950-00-227-3948
NSN 5996-01-220-8021
NSN 7035-00-231-2871
NSN 5895-00-052-6192
NSN 6150-01-206-4944
NSN 6645-00-287-9192
NSN 5985-00-107-2725