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 5950-01-190-6779
NSN 7035-01-044-0136
NSN 6320-01-084-8821
NSN 5998-00-067-4316
NSN 5965-01-386-2988
NSN 6110-01-055-6442
NSN 5925-01-535-1318
NSN 6135-00-891-4944
NSN 5835-01-424-0054
NSN 5998-00-276-3222
NSN 6645-00-411-3733
NSN 5950-01-147-2365