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 5998-00-633-5169
NSN 5835-01-426-0069
NSN 5985-01-259-7030
NSN 6220-01-391-1851
NSN 5965-01-259-5291
NSN 6220-01-496-8312
NSN 5950-01-628-9682
NSN 2925-01-376-9236
NSN 5895-00-423-2239
NSN 5975-00-244-0706
NSN 5925-01-168-9890
NSN 6320-00-636-0922