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 5975-01-409-2948
NSN 5925-01-050-0484
NSN 6240-01-029-3701
NSN 5975-01-113-1069
NSN 5998-00-895-2722
NSN 5930-00-720-1481
NSN 5895-00-952-0032
NSN 6135-00-078-9931
NSN 6610-00-477-4349
NSN 6645-01-103-8449
NSN 5996-01-140-7683
NSN 5950-01-146-5548