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 5935-01-446-1552
NSN 5910-01-619-9468
NSN 6685-01-003-9343
NSN 5950-01-181-8128
NSN 5975-01-014-2964
NSN 5915-00-926-8126
NSN 5915-01-243-9192
NSN 5925-01-328-9762
NSN 5998-00-905-7385
NSN 5985-01-602-1465
NSN 5835-00-233-6327
NSN 5985-01-361-1121