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 5950-00-261-3678
NSN 5990-00-258-0228
NSN 5905-00-546-1354
NSN 6320-01-440-4982
NSN 5965-01-433-8086
NSN 5910-00-776-1559
NSN 6150-00-994-2622
NSN 5996-01-208-5045
NSN 6685-00-706-9562
NSN 5998-01-423-2184
NSN 5999-01-180-4582
NSN 7035-00-981-7216