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 5915-00-242-3958
NSN 6105-01-315-1128
NSN 6685-01-149-8629
NSN 5998-01-206-6931
NSN 5895-00-111-4599
NSN 5950-00-269-4805
NSN 6135-01-322-4655
NSN 5915-01-108-7978
NSN 5915-00-036-9529
NSN 5920-01-535-6498
NSN 6130-01-322-0336
NSN 5895-01-023-7893