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 5895-01-040-2974
NSN 5945-00-428-6353
NSN 5985-01-555-8999
NSN 5999-00-615-8754
NSN 5895-01-055-7677
NSN 5990-01-281-0018
NSN 6130-00-223-2099
NSN 6135-01-532-7655
NSN 5925-00-216-4480
NSN 6240-00-260-0399
NSN 5910-01-558-7376
NSN 5999-00-900-7632