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 7035-01-270-0325
NSN 5930-00-817-7726
NSN 6110-01-589-8485
NSN 5925-00-035-8469
NSN 6150-00-950-3217
NSN 5935-01-602-9420
NSN 6685-01-129-7472
NSN 6645-00-287-9192
NSN 5920-01-043-4848
NSN 5925-01-091-1253
NSN 5915-01-242-9686
NSN 5950-00-165-3863