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 7035-00-946-2642
NSN 6135-01-571-0845
NSN 6130-01-106-3462
NSN 5920-01-170-7604
NSN 5996-01-433-1230
NSN 5975-01-540-3582
NSN 5915-01-508-8452
NSN 5905-00-990-3092
NSN 6240-01-227-4178
NSN 6105-01-167-3919
NSN 6135-01-530-9327
NSN 5895-00-879-1374