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 6130-01-604-0956
NSN 5999-00-840-8337
NSN 6320-00-004-9158
NSN 5855-00-797-8217
NSN 5855-00-688-9954
NSN 5945-01-083-1007
NSN 6220-00-450-9973
NSN 6135-01-487-6275
NSN 5835-01-535-0948
NSN 5950-01-345-7569
NSN 5915-00-127-4305
NSN 5985-01-309-6857