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 6145-00-459-4899
NSN 5925-01-134-1567
NSN 5975-01-308-5624
NSN 5950-01-197-2926
NSN 5895-01-452-9107
NSN 5835-01-160-7282
NSN 6645-01-272-2501
NSN 5996-01-437-5314
NSN 6220-01-573-2472
NSN 2925-00-459-4519
NSN 6610-01-342-0889
NSN 6145-00-995-3191