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 5998-00-111-4900
NSN 6220-01-571-4707
NSN 6610-01-389-3082
NSN 5920-01-581-3068
NSN 5960-01-386-3855
NSN 6610-01-318-1840
NSN 6645-00-542-1206
NSN 6145-01-231-0331
NSN 6610-01-462-5980
NSN 5975-00-374-5245
NSN 5925-01-621-7167
NSN 6620-00-650-4452