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 5920-01-451-4260
NSN 6145-01-569-6577
NSN 6620-00-189-0967
NSN 5990-01-436-7191
NSN 6130-00-823-5359
NSN 6645-01-089-6459
NSN 6240-00-226-3130
NSN 6145-00-939-4973
NSN 6620-00-720-3278
NSN 7035-00-803-3056
NSN 5945-01-349-6516
NSN 5950-00-186-0682