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 5996-01-037-6786
NSN 6110-01-343-0774
NSN 5996-01-417-3139
NSN 6650-00-801-1681
NSN 5950-01-027-2257
NSN 6150-01-479-4591
NSN 6110-01-512-8018
NSN 6110-01-222-3817
NSN 5930-00-798-5734
NSN 2925-01-208-6638
NSN 6130-01-157-9307
NSN 6240-01-387-4948