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 5965-01-227-3705
NSN 6145-00-860-9203
NSN 5990-01-373-3104
NSN 5925-01-283-4414
NSN 5945-00-204-9949
NSN 6685-01-308-5687
NSN 5910-00-642-7527
NSN 5910-01-206-0609
NSN 6110-01-449-0150
NSN 5930-01-442-7356
NSN 6620-01-030-6495
NSN 6150-00-248-0063