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 6130-01-314-3789
NSN 5895-00-995-4631
NSN 5935-00-529-0407
NSN 6145-01-054-2662
NSN 5985-00-844-5436
NSN 5985-01-252-8716
NSN 5950-01-116-8433
NSN 5905-01-178-9561
NSN 6145-00-005-8341
NSN 5895-01-538-0994
NSN 7035-01-349-4348
NSN 6145-01-477-0252