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 5925-00-125-0853
NSN 6320-00-004-9158
NSN 5999-01-592-3349
NSN 5998-01-351-3198
NSN 5950-00-178-0362
NSN 6110-01-425-5355
NSN 6645-01-627-8040
NSN 6620-01-594-1833
NSN 2925-00-021-9580
NSN 5990-01-616-5242
NSN 5905-01-274-5159
NSN 6240-01-485-3116