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 6135-00-728-9860
NSN 6650-00-155-5827
NSN 5920-01-370-4376
NSN 6145-01-564-0079
NSN 5950-01-634-0677
NSN 6135-01-236-8603
NSN 5990-01-364-8405
NSN 5965-01-187-8574
NSN 7035-01-236-5743
NSN 5935-00-177-7950
NSN 6650-01-025-7425
NSN 6220-00-691-2409