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 5996-01-514-9292
NSN 5835-01-253-8092
NSN 5915-01-074-4530
NSN 5920-01-019-6270
NSN 6105-01-315-1873
NSN 6135-01-528-6896
NSN 6130-01-634-0603
NSN 6110-01-306-8520
NSN 5910-01-442-2916
NSN 5910-01-483-0621
NSN 4140-00-963-2855
NSN 5915-00-681-6299