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 5920-01-482-1530
NSN 5905-01-597-8937
NSN 5945-01-472-2099
NSN 5925-01-455-2581
NSN 5895-01-088-6678
NSN 5925-01-235-2060
NSN 5965-01-549-3782
NSN 5910-00-574-0480
NSN 5950-01-442-8009
NSN 4140-01-058-6339
NSN 5960-01-113-4839
NSN 6620-01-029-3171