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 6645-01-086-3411
NSN 5960-01-061-6216
NSN 5950-01-458-9729
NSN 5945-00-628-3695
NSN 5975-00-203-7843
NSN 6150-01-577-9019
NSN 5935-01-278-9117
NSN 5910-00-975-5061
NSN 5996-01-578-6955
NSN 6320-00-194-4252
NSN 6645-01-101-1062
NSN 5895-01-468-7298