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 5950-00-012-3753
NSN 6135-00-851-8575
NSN 6145-00-958-6152
NSN 6145-01-527-8098
NSN 6150-01-435-2288
NSN 6645-00-108-6479
NSN 5950-00-927-1863
NSN 5920-01-031-1199
NSN 6320-01-246-4390
NSN 5965-01-627-2404
NSN 5835-00-884-4480
NSN 6110-01-386-4055