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 6645-00-650-3405
NSN 5998-01-301-7623
NSN 6105-01-252-8847
NSN 6645-01-100-3296
NSN 5935-01-459-7568
NSN 5935-01-152-4780
NSN 6110-01-050-1283
NSN 6105-01-226-5253
NSN 5990-01-011-0683
NSN 5950-00-525-9611
NSN 5960-01-632-6576
NSN 5905-00-421-4737