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 5895-01-189-6167
NSN 6650-01-349-6097
NSN 5990-01-249-2060
NSN 5960-01-570-8605
NSN 6685-00-805-9269
NSN 4140-00-053-9499
NSN 5910-01-041-4737
NSN 7035-01-433-4401
NSN 6240-00-408-9545
NSN 6105-00-248-5772
NSN 6610-01-454-8386
NSN 7035-00-541-8516