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 5999-00-980-8070
NSN 5905-01-085-6405
NSN 6645-01-271-0248
NSN 6610-01-503-0153
NSN 6685-00-160-0792
NSN 6110-01-084-8217
NSN 6135-01-210-8715
NSN 6685-00-582-1215
NSN 5998-01-391-5411
NSN 6150-01-125-2519
NSN 5920-00-533-8024
NSN 6110-01-544-3949