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 5998-01-331-8526
NSN 5925-00-921-1171
NSN 5910-01-461-8545
NSN 5910-00-192-2689
NSN 5895-00-001-9134
NSN 5996-01-537-6935
NSN 5835-01-416-6455
NSN 5925-01-650-5714
NSN 5920-00-269-4060
NSN 6130-01-316-4791
NSN 5950-00-156-2220
NSN 6145-01-471-7901