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 5998-00-565-3242
NSN 6320-00-521-9350
NSN 5990-01-013-0793
NSN 5855-00-160-2286
NSN 5930-01-034-6693
NSN 6240-01-247-8074
NSN 5945-01-173-2550
NSN 6620-01-504-5756
NSN 5855-00-455-6070
NSN 6135-01-535-9092
NSN 5855-00-256-5562
NSN 2925-01-043-9786