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 5915-00-471-3728
NSN 5905-00-905-6640
NSN 5975-01-026-8397
NSN 5998-01-578-9650
NSN 5960-01-583-4737
NSN 5996-01-285-2353
NSN 6685-00-999-2503
NSN 5895-00-070-1711
NSN 6150-00-502-9593
NSN 5990-00-232-3965
NSN 4140-01-190-3280
NSN 6150-01-252-7925