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 5975-00-225-8722
NSN 5960-00-161-9345
NSN 6650-01-029-7409
NSN 5915-01-229-7642
NSN 5895-01-093-5355
NSN 5895-01-188-0002
NSN 6650-00-239-9226
NSN 6110-00-304-7201
NSN 5925-00-948-8910
NSN 6145-00-427-7201
NSN 6320-01-415-0953
NSN 6130-00-266-7496