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 6145-01-545-4074
NSN 6220-00-849-7894
NSN 6145-00-438-8979
NSN 5965-01-005-0341
NSN 6620-01-078-6372
NSN 5935-01-624-3940
NSN 5895-01-300-6240
NSN 6610-01-444-0953
NSN 6130-01-504-3946
NSN 2925-01-032-3814
NSN 6320-01-056-1164
NSN 5996-00-247-3808