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 5895-00-276-7916
NSN 6685-00-822-9465
NSN 5920-01-290-3771
NSN 6145-00-174-9344
NSN 6650-01-150-2595
NSN 5960-00-529-2704
NSN 6220-00-420-8166
NSN 5915-00-256-4442
NSN 5895-00-089-2282
NSN 5965-01-523-4572
NSN 5920-00-709-7835
NSN 6110-01-311-2919