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 5855-00-408-2611
NSN 5920-00-296-0454
NSN 5855-01-271-6617
NSN 5910-01-345-6270
NSN 5965-00-918-3950
NSN 6110-01-579-3123
NSN 6105-00-706-9468
NSN 5905-00-420-0491
NSN 5930-00-246-5046
NSN 6685-00-031-3383
NSN 6610-01-555-8791
NSN 4140-01-406-3626