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 6610-00-359-2226
NSN 5835-01-045-6371
NSN 5998-01-016-6242
NSN 5910-01-374-3800
NSN 5915-01-655-1413
NSN 5950-01-659-1928
NSN 6320-00-422-9006
NSN 5998-01-569-4846
NSN 5930-00-816-5265
NSN 5925-00-123-9919
NSN 7035-01-194-9482
NSN 6220-00-293-5368