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 2925-01-567-8027
NSN 6610-01-206-3921
NSN 6240-01-485-1136
NSN 5935-00-001-3236
NSN 6105-00-542-3624
NSN 6320-01-624-0193
NSN 5835-01-468-6170
NSN 6685-01-309-7644
NSN 5925-01-482-9602
NSN 5960-01-599-9821
NSN 6220-00-669-5623
NSN 6130-01-513-9540