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 2925-01-565-6410
NSN 6320-01-192-0332
NSN 6685-00-027-7186
NSN 6145-01-541-5056
NSN 5999-01-339-4617
NSN 6620-01-420-1735
NSN 5895-01-172-5348
NSN 5998-00-920-8611
NSN 6610-00-411-7246
NSN 5975-01-463-1725
NSN 5945-01-406-3497
NSN 5930-01-471-2659