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 5835-00-472-6560
NSN 5925-01-293-7502
NSN 6130-00-299-6920
NSN 7035-01-421-4446
NSN 5996-01-441-5290
NSN 5920-00-611-6728
NSN 6320-00-261-9136
NSN 6645-00-079-1430
NSN 2925-00-196-9003
NSN 5930-01-563-5932
NSN 5998-01-217-3348
NSN 5950-00-290-8090