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 5965-01-087-8572
NSN 5990-01-219-9018
NSN 6240-00-689-8504
NSN 5905-01-525-7424
NSN 6220-01-534-6695
NSN 5960-00-600-7370
NSN 5999-01-142-6168
NSN 5930-01-178-9033
NSN 7035-01-650-5774
NSN 5998-01-173-3263
NSN 6620-00-980-8046
NSN 5950-00-785-1741