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 6130-01-054-4381
NSN 5930-01-406-5613
NSN 5935-01-369-6479
NSN 6145-01-068-4668
NSN 6145-00-112-1449
NSN 6685-00-327-6401
NSN 6650-01-234-6124
NSN 5905-00-074-1398
NSN 5835-01-507-0731
NSN 5915-01-110-3703
NSN 5950-01-378-7042
NSN 6220-00-169-6516