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 5985-01-415-1822
NSN 6130-00-323-8300
NSN 5950-01-570-0426
NSN 6610-01-058-2366
NSN 6620-01-298-0991
NSN 6220-01-353-5851
NSN 4140-00-840-2082
NSN 5990-01-395-4194
NSN 5985-00-713-4356
NSN 6320-01-006-6138
NSN 6110-01-508-3779
NSN 5950-01-414-6930