4 corners chamfered 0.250in. By 45 deg, marked w/white line, permanent non-phosphrescent centered along the width
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 6130-01-439-1789
NSN 5835-01-133-1959
NSN 5935-00-262-5463
NSN 5960-00-884-2535
NSN 4140-00-227-8228
NSN 5975-01-376-5789
NSN 5935-01-488-4980
NSN 5915-01-426-8862
NSN 5998-00-271-1555
NSN 6135-01-413-4747
NSN 6135-01-610-1124
NSN 5935-00-006-3860