Heat treated
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 5965-00-653-4782
NSN 5965-01-464-3372
NSN 5895-01-445-1432
NSN 6145-01-434-9123
NSN 5910-00-758-3031
NSN 2925-00-908-4420
NSN 6110-01-518-1035
NSN 6150-01-456-9845
NSN 5930-00-445-7402
NSN 5950-01-157-8898
NSN 5855-01-382-5169
NSN 6620-01-286-2204