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 5999-01-335-8032
NSN 6110-00-242-4065
NSN 5985-01-327-3601
NSN 5945-01-456-6730
NSN 5960-01-382-8772
NSN 6135-01-332-0431
NSN 6620-00-123-1779
NSN 6220-01-342-5191
NSN 5998-01-471-3277
NSN 6685-01-441-8830
NSN 5895-00-602-2929
NSN 5960-00-236-3980