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 6130-01-461-9748
NSN 6220-01-462-1479
NSN 5950-00-823-7799
NSN 6650-01-081-1537
NSN 6130-01-073-1412
NSN 5985-01-517-5486
NSN 2925-01-157-9204
NSN 6650-01-433-1911
NSN 6240-01-540-4966
NSN 6150-01-396-0274
NSN 5915-01-397-4030
NSN 7035-01-168-3596