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 5960-00-840-7103
NSN 5985-01-467-8131
NSN 6320-01-232-4664
NSN 6320-00-593-0379
NSN 7035-01-245-2858
NSN 5990-00-959-8280
NSN 5990-01-459-5482
NSN 5998-00-850-2363
NSN 6135-00-100-8890
NSN 5915-01-618-6397
NSN 5910-01-608-5641
NSN 5905-01-285-0383