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 5895-01-359-4279
NSN 5960-00-584-4553
NSN 5965-00-933-8971
NSN 6110-00-185-8147
NSN 5855-01-203-4719
NSN 5905-00-196-6655
NSN 6135-00-932-3136
NSN 6130-01-555-1289
NSN 5835-01-490-9751
NSN 5975-00-611-3174
NSN 5998-00-224-9624
NSN 6320-00-831-2227