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 6110-01-602-9353
NSN 6145-01-163-3354
NSN 5998-00-302-8857
NSN 6110-00-933-9588
NSN 6610-00-340-2430
NSN 6240-01-553-7914
NSN 5975-00-894-1125
NSN 6685-00-594-2972
NSN 5990-00-454-6250
NSN 5990-00-548-6163
NSN 5965-01-210-7784
NSN 5998-01-562-5828