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 6110-00-255-2025
NSN 5935-01-109-6316
NSN 6220-01-439-7474
NSN 6150-00-087-1258
NSN 5965-00-734-5053
NSN 5910-00-190-9782
NSN 5835-01-453-7731
NSN 5835-00-106-2120
NSN 5990-00-724-4375
NSN 6685-00-099-9025
NSN 5920-01-230-4480
NSN 5975-00-865-3537