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 5998-00-167-1477
NSN 5905-00-804-1061
NSN 5925-00-175-6612
NSN 5935-01-352-6336
NSN 6220-01-441-8662
NSN 5895-01-255-8654
NSN 5950-01-322-8557
NSN 6130-00-737-0459
NSN 5965-01-311-3613
NSN 5950-01-386-5800
NSN 6110-00-738-3400
NSN 6620-00-841-0346