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 6145-01-096-4571
NSN 6145-01-071-0117
NSN 5985-01-469-6320
NSN 5855-00-688-9954
NSN 6650-00-527-8822
NSN 6320-00-583-3105
NSN 5915-01-187-8588
NSN 5950-01-415-9313
NSN 6320-01-583-6809
NSN 6110-01-441-9041
NSN 5965-00-910-3233
NSN 6620-01-505-7921