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 6145-01-368-9243
NSN 5925-01-628-2038
NSN 5965-01-253-0451
NSN 5855-01-502-0508
NSN 5945-01-585-5723
NSN 5855-01-513-9601
NSN 2925-00-719-9611
NSN 5915-00-118-2911
NSN 6240-01-290-5165
NSN 5905-01-225-1260
NSN 6240-01-558-9338
NSN 5960-01-310-3863