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 7035-01-181-2705
NSN 6105-01-290-4738
NSN 5996-00-902-7394
NSN 5996-01-378-8028
NSN 6610-01-095-9262
NSN 5998-01-043-1662
NSN 6110-01-353-9781
NSN 5855-00-149-0766
NSN 6685-01-117-0892
NSN 5935-01-248-6267
NSN 5935-00-850-6622
NSN 6645-01-476-8013