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 6320-01-271-0247
NSN 2925-00-141-9393
NSN 6130-01-551-3906
NSN 6645-01-247-4549
NSN 7035-00-803-3056
NSN 5985-01-267-2787
NSN 5996-00-491-9304
NSN 5835-01-254-8584
NSN 5975-00-518-1733
NSN 5950-00-913-6401
NSN 6220-01-344-9707
NSN 2925-01-647-7225