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 2925-00-311-0825
NSN 5930-01-003-8502
NSN 5960-00-711-4645
NSN 6650-00-537-9222
NSN 6320-00-731-6134
NSN 6620-01-416-1757
NSN 6105-01-103-9088
NSN 7035-00-140-3070
NSN 6610-00-273-9019
NSN 6135-01-062-5420
NSN 6610-01-209-8991
NSN 5835-00-733-9145