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 5990-01-526-9941
NSN 6135-01-479-9790
NSN 5905-00-726-2434
NSN 5895-00-371-6614
NSN 6105-01-024-9425
NSN 6110-01-166-1864
NSN 5895-00-732-2433
NSN 5990-00-518-3195
NSN 5835-01-504-0837
NSN 5920-00-900-5336
NSN 5855-00-079-2370
NSN 6645-01-483-5519