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 5920-00-768-5814
NSN 5999-00-905-6936
NSN 5925-00-900-5354
NSN 5855-01-278-8922
NSN 6110-00-343-8183
NSN 5975-01-436-5161
NSN 5835-00-707-6266
NSN 5895-00-244-6750
NSN 6220-00-144-8043
NSN 6150-01-254-2764
NSN 5855-01-570-3195
NSN 7035-01-606-5440