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 6110-01-555-9021
NSN 5996-00-503-5306
NSN 6105-01-264-8991
NSN 4140-00-146-3269
NSN 6105-01-087-0454
NSN 4140-01-536-9823
NSN 5975-01-238-8758
NSN 6685-01-448-2770
NSN 6620-01-381-5482
NSN 5910-01-368-7328
NSN 5895-01-195-8088
NSN 6130-01-082-8577