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 6650-01-590-3670
NSN 6145-01-487-6322
NSN 5855-00-944-0949
NSN 6645-01-577-2306
NSN 6620-01-266-5545
NSN 6130-01-642-9076
NSN 5895-00-564-2892
NSN 5925-00-369-7747
NSN 6105-00-211-4577
NSN 6110-01-004-9870
NSN 6220-01-530-7197
NSN 6220-01-373-7941