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 6150-01-103-3010
NSN 2925-01-629-9416
NSN 5996-01-481-1850
NSN 5910-01-219-5951
NSN 5965-00-993-5439
NSN 5998-00-469-9798
NSN 6145-01-582-2161
NSN 6240-01-463-8276
NSN 6145-01-486-7175
NSN 6610-01-033-2402
NSN 5910-01-464-4460
NSN 5985-01-353-9309