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 7035-00-145-9138
NSN 5920-00-829-3634
NSN 5910-00-375-5045
NSN 6135-01-026-9960
NSN 5999-00-069-1028
NSN 6685-01-212-1302
NSN 6240-00-724-1782
NSN 5855-01-594-7809
NSN 7035-00-286-6221
NSN 5996-00-868-9372
NSN 5960-00-040-9989
NSN 5835-00-847-7277