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 5999-01-432-1564
NSN 6240-01-630-8097
NSN 6685-00-242-6722
NSN 6240-01-460-2097
NSN 5925-00-001-1277
NSN 6145-00-140-1605
NSN 5920-00-724-3815
NSN 5935-01-462-6153
NSN 5915-00-944-0218
NSN 5996-01-250-6023
NSN 7035-01-332-9582
NSN 5990-00-912-2193