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 7035-00-946-2642
NSN 5925-01-023-2996
NSN 6105-00-329-9510
NSN 5996-00-534-6049
NSN 5999-01-333-9055
NSN 6240-00-624-8440
NSN 6130-01-099-3939
NSN 5960-00-843-8063
NSN 6220-00-524-6447
NSN 6320-00-284-1524
NSN 5905-00-707-5032
NSN 5960-01-418-2641