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 5945-00-105-0084
NSN 5925-01-327-8712
NSN 6320-01-422-1212
NSN 5985-01-234-5924
NSN 6145-01-278-8925
NSN 5950-00-324-3193
NSN 5985-00-156-4536
NSN 6110-01-624-8097
NSN 5910-01-200-1668
NSN 6135-01-238-2878
NSN 5998-00-137-7455
NSN 5996-00-081-0787