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 5935-01-130-7859
NSN 6240-01-160-4370
NSN 5930-01-428-9614
NSN 6685-00-847-4075
NSN 5915-01-391-2528
NSN 5996-00-562-7033
NSN 5905-00-468-2947
NSN 6320-00-701-0437
NSN 6150-01-465-9413
NSN 5935-01-401-5324
NSN 7035-00-142-9076
NSN 6650-01-168-8451