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 6240-01-487-6459
NSN 5998-01-268-3156
NSN 5895-00-479-8547
NSN 5835-01-007-5800
NSN 7035-00-235-3529
NSN 5915-01-237-8533
NSN 6650-00-382-2996
NSN 6150-00-719-6119
NSN 5905-01-559-6768
NSN 5945-01-443-3168
NSN 6650-01-529-9806
NSN 2925-01-391-9247