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 5935-00-060-2294
NSN 6145-01-542-9141
NSN 5915-01-567-8298
NSN 6135-00-078-9931
NSN 5999-01-419-5008
NSN 5945-00-919-0375
NSN 5965-01-202-1007
NSN 5925-01-510-4579
NSN 6610-01-648-9997
NSN 5950-00-408-8779
NSN 5910-01-608-4412
NSN 5975-01-629-2762