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 5920-00-180-4278
NSN 5910-01-067-9859
NSN 5965-01-367-9357
NSN 6320-00-456-2092
NSN 6110-01-106-5111
NSN 6110-01-179-3097
NSN 6240-00-080-2012
NSN 5985-01-069-5299
NSN 2925-00-139-8309
NSN 6620-01-595-4691
NSN 6130-01-457-0690
NSN 6610-00-905-6780