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 6135-01-236-8603
NSN 5950-01-445-7127
NSN 6645-00-287-9192
NSN 5998-01-160-7996
NSN 5998-01-551-4675
NSN 6620-00-596-1951
NSN 2925-00-233-5644
NSN 6645-01-236-6387
NSN 6105-01-643-1465
NSN 5920-00-858-8619
NSN 5996-01-278-2909
NSN 6240-01-574-8801