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 6610-00-500-6944
NSN 5950-01-359-2601
NSN 6105-01-384-3687
NSN 5930-00-404-6107
NSN 6145-00-833-7753
NSN 4140-01-360-4369
NSN 6105-01-213-7446
NSN 6110-01-378-8530
NSN 5996-01-330-8742
NSN 5985-01-285-0589
NSN 6685-00-799-7506
NSN 5910-00-952-0565