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 6145-00-917-9617
NSN 6135-01-471-2803
NSN 6610-01-206-2419
NSN 6645-00-918-3785
NSN 6145-00-174-1730
NSN 6110-01-200-3517
NSN 5945-00-185-4815
NSN 7035-00-312-3055
NSN 6610-01-487-8879
NSN 6650-01-203-4746
NSN 6240-00-757-9518
NSN 5835-00-491-3834