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 5925-00-729-7750
NSN 5935-01-206-4727
NSN 5915-01-377-9666
NSN 5998-01-347-1976
NSN 5950-00-138-4216
NSN 5990-01-328-9846
NSN 6685-01-385-7049
NSN 5910-01-009-5606
NSN 5996-01-141-6916
NSN 6320-00-242-3300
NSN 6150-00-069-7737
NSN 6110-01-361-8949