Heat treated
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 6685-01-014-2049
NSN 6145-01-328-3757
NSN 5965-01-608-6037
NSN 6220-00-604-1372
NSN 6145-01-515-0323
NSN 5925-01-023-6900
NSN 5945-01-009-3733
NSN 5855-01-634-0259
NSN 5999-01-558-5147
NSN 5998-01-399-0615
NSN 5950-00-100-6737
NSN 6620-01-424-6925