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 5996-01-647-4924
NSN 6645-00-246-4934
NSN 5930-00-369-1645
NSN 6320-00-857-4073
NSN 7035-01-647-9698
NSN 5999-01-602-9260
NSN 5998-01-597-9804
NSN 2925-00-132-0361
NSN 6240-01-633-9357
NSN 5835-01-325-5677
NSN 6220-01-500-2188
NSN 5835-01-632-6627