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 6220-01-424-3665
NSN 5935-01-563-5946
NSN 7035-01-104-5446
NSN 6320-01-111-8851
NSN 6130-01-537-2768
NSN 5925-00-243-7128
NSN 5960-00-948-6012
NSN 2925-00-684-7708
NSN 5905-00-631-6517
NSN 5998-01-095-1809
NSN 6135-00-777-5562
NSN 5915-00-244-9805