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 6105-01-606-9886
NSN 5965-00-160-7173
NSN 6105-01-030-9266
NSN 5965-01-236-9988
NSN 6130-01-128-5909
NSN 5905-01-332-3660
NSN 2925-01-336-2820
NSN 6610-00-313-0660
NSN 6320-01-462-2295
NSN 5975-00-661-1832
NSN 2925-01-036-3275
NSN 5960-00-072-0577