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 6220-01-505-9880
NSN 7035-01-407-4079
NSN 6320-01-384-3850
NSN 6130-00-021-5372
NSN 5998-00-420-4275
NSN 5835-01-512-4834
NSN 5920-00-122-0334
NSN 6110-00-317-8063
NSN 5950-01-203-3293
NSN 5960-01-512-0233
NSN 6645-00-697-5694
NSN 6150-01-072-9994