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 5998-01-428-7824
NSN 5945-00-666-4700
NSN 6685-00-578-5951
NSN 5996-01-015-7604
NSN 7035-00-064-7008
NSN 5999-00-407-2096
NSN 6135-01-444-6824
NSN 6645-01-417-3279
NSN 6610-01-433-2219
NSN 5996-01-269-0982
NSN 5990-01-400-3299
NSN 6240-01-289-9898