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 5895-01-511-0062
NSN 6645-01-422-9672
NSN 6620-00-944-6446
NSN 5996-01-633-0192
NSN 6610-01-597-2911
NSN 5985-00-019-3612
NSN 6620-01-600-7483
NSN 6240-01-371-3020
NSN 5960-01-432-6038
NSN 6135-00-932-3136
NSN 6105-00-291-0154
NSN 5945-00-395-2572