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 6620-00-366-1365
NSN 5945-01-290-4370
NSN 7035-00-585-2113
NSN 6650-01-199-8589
NSN 5925-01-452-3858
NSN 5925-01-004-9293
NSN 6130-01-216-1621
NSN 5985-01-477-7116
NSN 6145-01-653-7172
NSN 6620-01-570-4026
NSN 5915-01-462-0432
NSN 5990-00-149-8181