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 6130-00-802-6482
NSN 5945-01-365-7667
NSN 6135-00-377-9165
NSN 5935-01-646-2346
NSN 4140-00-983-8048
NSN 6320-01-530-4870
NSN 5935-01-426-2961
NSN 5975-01-196-6314
NSN 5920-00-212-4387
NSN 6645-01-142-4574
NSN 6110-01-085-6052
NSN 5910-01-097-4952