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 6145-01-148-5948
NSN 5835-00-351-9459
NSN 6150-01-118-3483
NSN 6145-01-355-5470
NSN 6645-01-480-3962
NSN 5960-01-449-5726
NSN 6320-00-646-3311
NSN 2925-00-398-0253
NSN 5999-00-116-8983
NSN 5996-01-116-1087
NSN 5855-00-237-4088
NSN 6645-01-414-6090