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 5996-00-278-5193
NSN 6145-01-605-3228
NSN 6240-01-323-4266
NSN 5895-00-907-5088
NSN 6110-01-090-5094
NSN 6650-01-197-4585
NSN 5950-00-375-8284
NSN 5990-00-985-1334
NSN 6135-00-432-8779
NSN 5835-00-863-0959
NSN 5905-01-457-5242
NSN 6135-00-170-8819