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 5920-01-153-2690
NSN 6150-01-205-0502
NSN 5965-01-444-1322
NSN 5895-00-824-9973
NSN 5835-01-535-0948
NSN 6240-00-841-0189
NSN 5925-01-053-6519
NSN 5910-00-860-6070
NSN 6620-00-941-5672
NSN 5945-01-482-1975
NSN 5985-01-228-5695
NSN 5998-01-046-9612