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 6145-01-634-0388
NSN 5915-01-581-3145
NSN 6240-01-316-9882
NSN 6145-00-224-5245
NSN 5996-00-081-2564
NSN 6150-01-518-4817
NSN 5990-00-373-9787
NSN 5985-01-340-5358
NSN 6145-01-109-6826
NSN 5999-00-802-2405
NSN 5895-00-240-5651
NSN 7035-01-506-6705