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 5996-00-036-5935
NSN 6130-01-478-5872
NSN 2925-00-964-7128
NSN 6645-00-079-1430
NSN 5985-01-175-2514
NSN 6130-01-318-0728
NSN 5835-01-124-8830
NSN 5920-01-069-7351
NSN 5990-01-390-2177
NSN 6320-01-462-2295
NSN 5905-01-609-0988
NSN 5960-00-281-0824