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 5905-00-078-8395
NSN 6105-01-220-0686
NSN 5855-00-797-8217
NSN 5855-01-364-8193
NSN 5855-01-218-3735
NSN 6645-00-419-9939
NSN 5895-01-368-1334
NSN 6145-01-272-3365
NSN 6320-01-443-3826
NSN 5990-01-153-0679
NSN 6685-01-540-9931
NSN 6685-01-044-8103