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 5915-01-311-4723
NSN 5910-01-511-4464
NSN 5985-00-082-1317
NSN 5975-00-884-4734
NSN 5985-01-585-2699
NSN 6130-01-634-0603
NSN 6145-01-156-0284
NSN 6150-00-903-2265
NSN 5905-00-420-7638
NSN 5935-01-106-2931
NSN 5998-01-391-5339
NSN 6105-00-980-2695