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 5930-01-310-9361
NSN 5920-01-165-6881
NSN 5930-01-295-2907
NSN 5895-01-033-4259
NSN 5996-00-256-3915
NSN 6135-01-226-4071
NSN 6135-00-182-7008
NSN 5945-01-633-9025
NSN 6130-01-194-8889
NSN 5960-01-183-3779
NSN 6110-01-421-1564
NSN 5950-01-629-1954