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 6645-01-168-8465
NSN 5835-01-528-7454
NSN 6610-00-114-8794
NSN 5855-01-393-2455
NSN 6220-00-149-0977
NSN 5950-01-355-0403
NSN 6145-00-679-6470
NSN 6110-01-111-6415
NSN 6135-00-866-2311
NSN 5999-00-553-3946
NSN 5998-00-356-6426
NSN 6240-00-186-3260