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 5996-01-111-8580
NSN 6610-01-414-1755
NSN 6150-01-464-3456
NSN 6130-01-533-6308
NSN 5930-01-063-8013
NSN 5975-00-827-0261
NSN 6150-01-210-8451
NSN 6110-01-029-6805
NSN 5990-00-872-1312
NSN 7035-01-075-8646
NSN 6105-01-104-5214
NSN 6240-01-526-9660