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 5925-01-284-4215
NSN 5895-01-321-6807
NSN 5950-00-471-7665
NSN 5985-00-549-1511
NSN 5996-01-185-9733
NSN 6620-01-443-3526
NSN 5945-00-419-0184
NSN 5915-01-212-4492
NSN 5965-01-479-0744
NSN 5930-01-062-0804
NSN 5950-01-153-2650
NSN 7035-00-445-9657