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 6135-00-369-2368
NSN 5985-00-866-6470
NSN 5960-01-656-6343
NSN 5950-00-932-3232
NSN 6620-01-437-8193
NSN 6240-01-486-3715
NSN 5998-01-458-3123
NSN 5930-00-737-5244
NSN 5960-00-614-1552
NSN 6320-01-006-6138
NSN 5915-01-476-7124
NSN 6130-01-272-9765