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 5945-00-269-5375
NSN 6130-01-052-9572
NSN 5925-00-262-6087
NSN 5996-01-193-1475
NSN 5935-01-634-0668
NSN 5905-01-037-0999
NSN 5935-01-556-7466
NSN 4140-01-021-5674
NSN 6685-00-068-7166
NSN 5960-00-396-6109
NSN 6610-01-416-8384
NSN 5925-01-479-4984