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 6220-01-582-6553
NSN 6220-01-512-0144
NSN 5950-00-155-8340
NSN 5990-01-503-6827
NSN 6320-00-886-9771
NSN 5945-00-994-4602
NSN 7035-01-554-9835
NSN 5930-01-529-8186
NSN 5930-01-067-4927
NSN 5835-01-447-2544
NSN 5905-00-464-3460
NSN 5905-01-468-9625