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 5835-01-435-4139
NSN 6220-01-407-3366
NSN 5950-00-400-3398
NSN 5935-01-547-6328
NSN 5910-01-443-2462
NSN 5960-01-641-5493
NSN 6220-01-519-9305
NSN 5965-00-444-6544
NSN 6650-01-606-5725
NSN 5999-01-096-7845
NSN 5935-01-357-4491
NSN 5999-01-546-8240