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 5930-01-218-6196
NSN 5925-01-130-7740
NSN 6145-01-257-1672
NSN 7035-00-849-5526
NSN 6610-01-397-6965
NSN 6610-01-175-9045
NSN 6145-01-420-9289
NSN 5855-01-020-7982
NSN 5895-00-433-6860
NSN 5925-01-045-0618
NSN 5950-00-799-7560
NSN 5905-00-670-7833