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 6130-00-824-1146
NSN 5930-01-659-5683
NSN 5950-00-758-4817
NSN 6645-00-515-6148
NSN 6150-00-500-1975
NSN 5975-01-026-4108
NSN 6110-00-336-1734
NSN 5835-01-414-3258
NSN 6685-01-532-4278
NSN 6135-01-529-8523
NSN 5985-01-150-8007
NSN 5945-01-634-0588