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 5930-00-038-7775
NSN 5998-01-505-8723
NSN 5835-01-142-9233
NSN 6645-01-462-2101
NSN 5985-01-417-3184
NSN 5945-00-513-6096
NSN 5960-00-074-4834
NSN 6150-01-389-7670
NSN 6105-01-370-5226
NSN 5996-01-527-5681
NSN 5998-01-302-8616
NSN 5910-00-179-5826