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 5915-00-056-9935
NSN 6650-00-509-5248
NSN 5925-00-299-8037
NSN 4140-01-339-5355
NSN 6645-01-024-5261
NSN 6620-00-269-5168
NSN 6610-01-224-7247
NSN 6130-00-899-0485
NSN 5985-01-141-7059
NSN 5920-01-397-8380
NSN 6130-01-050-1839
NSN 6110-01-451-4326