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 5925-01-535-8420
NSN 6240-01-417-1933
NSN 5920-00-271-3217
NSN 6150-01-655-7334
NSN 5920-01-202-1982
NSN 6645-01-142-8502
NSN 6645-01-493-2620
NSN 5855-00-494-9581
NSN 5910-01-029-4709
NSN 5855-01-393-8749
NSN 5925-01-291-6711
NSN 5999-00-577-7418