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 7035-01-118-4486
NSN 5965-01-046-9619
NSN 6620-01-315-8616
NSN 5930-01-463-4704
NSN 5960-01-478-9493
NSN 5910-01-102-0906
NSN 5925-00-964-4989
NSN 5915-00-857-3007
NSN 6610-01-500-9107
NSN 5945-01-432-5781
NSN 6150-00-247-0074
NSN 6130-01-343-3921