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 6620-01-431-9176
NSN 5950-00-203-5809
NSN 6320-01-451-0821
NSN 5935-00-027-5659
NSN 5935-00-310-4811
NSN 6620-01-311-3516
NSN 5965-01-020-4104
NSN 5835-00-051-9092
NSN 5925-00-290-4451
NSN 5855-01-259-9889
NSN 6130-00-416-6592
NSN 6145-00-753-2264