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 5855-01-416-0084
NSN 5930-00-926-3103
NSN 6645-01-389-8312
NSN 6685-00-287-7564
NSN 5920-01-580-4922
NSN 6645-01-157-9103
NSN 6150-01-406-4984
NSN 5905-00-523-0190
NSN 5996-01-029-8011
NSN 6650-01-547-4342
NSN 5950-01-426-8810
NSN 5915-01-202-8195