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 6135-01-651-3210
NSN 5935-00-287-9898
NSN 6320-01-498-4954
NSN 6685-00-305-0449
NSN 5855-01-266-1645
NSN 7035-00-470-4977
NSN 5915-00-980-8072
NSN 5920-00-139-3736
NSN 6645-00-998-1346
NSN 6110-01-160-9444
NSN 6130-00-476-4445
NSN 6110-01-336-3997