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 6135-01-377-5729
NSN 6685-00-221-4950
NSN 5985-01-478-4888
NSN 5895-01-542-3060
NSN 5925-01-379-4109
NSN 5999-01-620-1202
NSN 6320-00-322-3460
NSN 5905-00-829-9902
NSN 6240-01-633-6350
NSN 5895-01-027-1754
NSN 6220-01-420-6512
NSN 6105-01-196-0140