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 5975-01-614-3958
NSN 6105-01-474-5246
NSN 6240-01-234-7893
NSN 6220-01-271-6121
NSN 5965-00-244-5369
NSN 5965-01-633-8849
NSN 6645-01-113-8979
NSN 5975-00-397-9533
NSN 6145-01-300-3728
NSN 6320-00-646-3311
NSN 6150-01-237-9992
NSN 6610-01-593-2428