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 5950-01-114-1904
NSN 5996-01-068-5790
NSN 6135-01-416-3181
NSN 6135-00-025-6382
NSN 6130-00-621-7997
NSN 5835-01-242-9806
NSN 5985-01-048-2395
NSN 5965-01-557-8059
NSN 5910-01-432-7175
NSN 5996-01-069-2915
NSN 5930-00-597-5064
NSN 6105-01-298-6327