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 6150-00-770-9127
NSN 5910-01-187-6098
NSN 6240-01-243-2707
NSN 5999-00-242-5787
NSN 6610-01-278-9387
NSN 5835-01-507-0731
NSN 7035-01-242-6496
NSN 5985-01-035-8499
NSN 5835-00-681-0005
NSN 5985-00-247-0413
NSN 6110-00-257-1446
NSN 5950-01-509-4215