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 6645-01-428-3576
NSN 5930-01-304-6956
NSN 6620-01-591-6681
NSN 6610-00-598-5268
NSN 5935-01-549-0913
NSN 6685-00-066-8955
NSN 5960-01-632-6576
NSN 5985-01-396-2670
NSN 6220-00-595-6954
NSN 6150-00-572-3229
NSN 6145-01-077-5945
NSN 5915-00-727-2601