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 5960-00-376-5514
NSN 5975-00-189-0093
NSN 4140-01-225-8599
NSN 5915-01-167-3133
NSN 5965-01-539-2122
NSN 6150-00-967-4790
NSN 5975-01-085-2794
NSN 5975-01-608-3696
NSN 5835-01-263-1293
NSN 2925-01-560-0517
NSN 5985-00-484-4895
NSN 4140-01-433-3839