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 5910-01-206-4641
NSN 5998-01-027-2690
NSN 5895-01-572-7726
NSN 6220-01-552-7092
NSN 5925-01-142-5819
NSN 5835-01-435-4139
NSN 5950-00-115-6026
NSN 5999-01-437-3611
NSN 6685-00-151-5257
NSN 5930-01-074-2681
NSN 5999-01-439-3683
NSN 5925-00-274-0130