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 6150-00-945-2251
NSN 6150-01-597-1524
NSN 5945-01-459-7700
NSN 6240-00-858-0389
NSN 5950-01-398-5128
NSN 5925-00-633-6236
NSN 5960-00-740-7285
NSN 6105-01-321-6767
NSN 6110-01-660-7690
NSN 5960-01-108-6636
NSN 5930-01-451-5020
NSN 5895-01-127-5855