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 5835-00-013-9271
NSN 5945-01-186-6349
NSN 5950-00-513-9596
NSN 5975-01-340-1388
NSN 5910-00-809-1669
NSN 5895-01-372-3926
NSN 5990-00-451-7630
NSN 5925-00-096-5165
NSN 5985-01-498-1142
NSN 5910-01-023-3578
NSN 6135-01-362-4256
NSN 6105-01-222-0800