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 5975-00-239-7347
NSN 5996-01-262-0366
NSN 6240-00-684-8181
NSN 6150-01-400-4211
NSN 5965-01-087-0873
NSN 6145-00-061-6357
NSN 6320-01-415-0953
NSN 5855-01-474-6456
NSN 2925-01-363-5549
NSN 6135-00-377-9165
NSN 6110-01-646-2914
NSN 5935-00-994-6972