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 5905-01-478-1478
NSN 5999-01-227-2107
NSN 6135-00-816-9052
NSN 6650-00-590-9073
NSN 5835-01-313-6087
NSN 5985-00-215-0667
NSN 5975-01-020-7869
NSN 5905-01-455-8036
NSN 6685-01-576-9843
NSN 5905-01-443-7941
NSN 5996-01-188-2039
NSN 5945-00-919-0375