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 6135-01-479-9790
NSN 6150-01-039-4911
NSN 5835-01-474-1224
NSN 7035-01-014-3808
NSN 5945-01-399-1544
NSN 6110-00-146-0037
NSN 6645-01-188-2918
NSN 5985-00-155-8308
NSN 5950-01-650-8135
NSN 5990-01-356-4259
NSN 5905-00-004-7789
NSN 5855-00-973-5717