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 6240-01-245-8996
NSN 5960-01-367-0981
NSN 5855-01-179-2702
NSN 5905-01-182-4647
NSN 5975-00-817-1781
NSN 5965-00-225-1848
NSN 5996-01-605-0950
NSN 5910-01-376-1435
NSN 5835-01-424-4577
NSN 5855-01-079-8716
NSN 6150-01-647-8403
NSN 6320-01-429-9871