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 5905-01-069-9999
NSN 5910-01-439-2491
NSN 6220-00-289-9915
NSN 5998-01-430-0454
NSN 5855-00-149-0766
NSN 7035-00-570-4100
NSN 5930-01-281-8071
NSN 6320-01-228-2380
NSN 6135-01-074-8220
NSN 5920-01-504-1116
NSN 6110-00-689-6313
NSN 6220-01-293-5450