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 5990-01-575-3275
NSN 5996-01-208-5045
NSN 5835-00-139-6407
NSN 5945-01-528-8018
NSN 5915-00-502-5173
NSN 5915-00-877-0688
NSN 5990-01-294-6198
NSN 6610-01-091-3740
NSN 6135-01-045-1504
NSN 6645-01-378-3700
NSN 6135-01-442-7275
NSN 6220-01-065-2171