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 6240-01-098-6410
NSN 5920-01-551-0841
NSN 5855-01-125-4768
NSN 6135-01-492-5717
NSN 5996-01-420-6449
NSN 5965-00-577-1242
NSN 5920-00-224-1634
NSN 6220-00-013-9523
NSN 5985-00-605-1656
NSN 5998-01-519-2521
NSN 5895-01-138-6845
NSN 5895-00-409-8237