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 5960-00-431-8739
NSN 6110-01-116-4251
NSN 6650-01-504-4745
NSN 6650-01-657-5108
NSN 5999-01-564-0507
NSN 6110-00-391-7000
NSN 5905-01-599-7429
NSN 5975-01-166-3324
NSN 5990-01-254-3197
NSN 5975-01-394-4068
NSN 5915-01-555-7885
NSN 6145-00-919-6176