2 adjacent corners cut off 45 degrees and 1.968 in. From center
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 5998-00-035-5308
NSN 5925-01-288-8651
NSN 5835-01-324-0089
NSN 5910-00-478-4187
NSN 5835-00-554-0399
NSN 5975-01-200-1717
NSN 6620-01-498-4780
NSN 6130-00-186-0737
NSN 5910-00-902-2410
NSN 6685-00-583-0254
NSN 2925-00-394-2332
NSN 6650-00-253-9195