Heat treated in accordance with mil-g-2857
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 6685-01-660-3819
NSN 4140-00-143-9084
NSN 5945-01-587-4208
NSN 5998-01-446-6249
NSN 6645-00-909-2143
NSN 5945-01-498-5824
NSN 5985-01-359-0761
NSN 6150-00-925-1005
NSN 6145-00-918-0809
NSN 5975-00-080-7575
NSN 6105-00-882-9601
NSN 6135-00-917-1894