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 5835-01-495-0595
NSN 5945-01-604-8977
NSN 5895-01-341-7140
NSN 5975-01-160-6435
NSN 5895-01-232-9606
NSN 5990-01-044-4767
NSN 6685-01-254-3014
NSN 5945-00-972-9973
NSN 5990-01-331-7071
NSN 6240-01-084-8098
NSN 5998-01-243-6453
NSN 6610-01-633-8931