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 5996-01-450-5526
NSN 5915-01-246-2375
NSN 5895-00-758-3096
NSN 5975-01-484-9584
NSN 6645-01-465-4915
NSN 6220-00-863-0134
NSN 6685-01-076-3915
NSN 5996-01-592-3011
NSN 5930-01-469-5736
NSN 6105-01-344-4705
NSN 5910-00-164-6636
NSN 5935-01-413-8167