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 5996-01-035-8219
NSN 5985-01-512-6662
NSN 5855-00-962-5792
NSN 5915-01-633-9845
NSN 6105-01-595-2000
NSN 5835-00-707-6266
NSN 5855-01-470-1910
NSN 6645-01-049-6116
NSN 6145-01-553-1091
NSN 5998-01-407-4586
NSN 5915-01-459-7276
NSN 5855-01-196-7082