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 5960-00-315-0358
NSN 5945-01-053-5550
NSN 6620-01-483-4519
NSN 5950-01-651-1312
NSN 5985-01-540-5007
NSN 5950-01-572-5670
NSN 5998-01-343-6772
NSN 5935-01-349-8096
NSN 6620-00-400-4237
NSN 2925-01-661-0650
NSN 6150-01-385-2453
NSN 6220-01-653-5335