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 5996-00-867-5630
NSN 6320-00-164-4087
NSN 5925-01-248-6012
NSN 5999-00-816-9670
NSN 5990-01-040-1320
NSN 5985-00-835-1218
NSN 5835-00-833-7080
NSN 5996-01-422-8103
NSN 6610-01-223-9655
NSN 4140-01-229-8820
NSN 5920-01-386-5798
NSN 5835-01-081-6864