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 6105-00-275-0826
NSN 5960-01-658-9538
NSN 7035-01-519-3253
NSN 5855-01-263-6704
NSN 5935-01-112-1118
NSN 6685-01-174-0873
NSN 5935-01-440-9821
NSN 5915-01-497-9945
NSN 6610-01-172-4041
NSN 5990-00-258-0228
NSN 6105-00-548-3547
NSN 5855-01-441-3189