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 5855-00-451-6155
NSN 5996-01-232-0067
NSN 5985-01-398-8926
NSN 7035-00-231-2871
NSN 6145-01-532-4764
NSN 5895-00-963-8751
NSN 5999-01-099-9782
NSN 6135-00-862-5736
NSN 5985-01-573-9965
NSN 5950-00-159-0701
NSN 6610-01-540-5424
NSN 5996-00-665-2869