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 6685-00-938-2808
NSN 5990-01-113-8121
NSN 5930-00-823-4791
NSN 5915-00-103-2631
NSN 5895-00-525-3295
NSN 2925-01-305-0392
NSN 5915-00-276-8332
NSN 6130-01-620-4084
NSN 6620-00-943-8020
NSN 5985-01-538-8885
NSN 6145-01-506-0672
NSN 5935-00-963-5430