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 6240-01-147-7494
NSN 5925-00-081-5727
NSN 6130-01-328-8108
NSN 5998-01-131-8146
NSN 5855-00-973-5717
NSN 6320-01-033-6624
NSN 6150-01-572-0159
NSN 6645-01-530-3654
NSN 7035-01-014-3808
NSN 5935-01-228-9420
NSN 6620-01-126-4126
NSN 6320-01-344-6511