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 5895-00-319-2143
NSN 5910-01-212-3090
NSN 6145-01-188-2789
NSN 5895-01-343-5591
NSN 5975-01-068-7376
NSN 5985-00-277-2423
NSN 5950-01-182-1308
NSN 6320-00-456-0836
NSN 5910-00-212-5969
NSN 5935-01-578-3656
NSN 6130-01-270-4807
NSN 6685-00-883-4608