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 5905-01-423-3678
NSN 5960-01-514-5433
NSN 6220-01-419-1200
NSN 5855-01-510-9416
NSN 5855-00-361-0167
NSN 5965-01-468-6186
NSN 5895-01-441-7940
NSN 5945-01-338-3495
NSN 5930-00-139-5400
NSN 5985-01-358-2608
NSN 5920-01-528-6293
NSN 6130-01-104-4371