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 5945-00-496-6766
NSN 5975-01-015-4975
NSN 6645-00-246-4934
NSN 6130-01-251-1515
NSN 7035-00-488-9765
NSN 5996-01-093-1944
NSN 6105-01-067-9320
NSN 4140-01-464-9837
NSN 5905-00-687-0007
NSN 5905-00-356-1630
NSN 5990-01-364-0813
NSN 5925-01-202-5954