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 4140-00-778-6342
NSN 5930-00-137-1023
NSN 5998-01-267-9978
NSN 5985-01-086-3219
NSN 5990-01-030-1034
NSN 5999-01-328-2958
NSN 5915-01-566-3494
NSN 6620-00-144-7201
NSN 5960-00-102-4257
NSN 5945-00-045-3659
NSN 6240-00-079-0112
NSN 6105-00-862-6805