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 6240-01-224-7656
NSN 5985-01-390-1625
NSN 5965-00-946-6692
NSN 6150-01-514-3297
NSN 5915-01-384-3858
NSN 6220-01-514-7024
NSN 6320-01-313-8306
NSN 5960-00-241-2911
NSN 5920-01-227-1877
NSN 6110-01-391-6497
NSN 6220-00-004-5356
NSN 5910-00-991-0524