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 6135-01-629-3346
NSN 5855-01-408-1786
NSN 5950-00-834-3400
NSN 6685-01-218-3043
NSN 6610-01-324-7017
NSN 5910-01-018-6970
NSN 6645-01-394-5149
NSN 5990-01-633-9503
NSN 5835-01-553-6772
NSN 5975-01-327-4893
NSN 6645-00-009-7458
NSN 5998-01-281-5626