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 5910-00-349-7704
NSN 5925-01-607-2294
NSN 5905-01-217-2454
NSN 5855-00-014-5008
NSN 5999-01-487-8543
NSN 6130-01-042-2286
NSN 6685-01-464-8355
NSN 6105-00-878-9445
NSN 5965-01-113-6654
NSN 5905-00-309-2408
NSN 5996-01-142-0878
NSN 6650-01-507-9636