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 5915-01-239-3048
NSN 5920-01-406-8091
NSN 5925-01-392-4785
NSN 5960-00-471-2026
NSN 6130-00-048-0907
NSN 6685-01-382-8646
NSN 6620-01-381-6225
NSN 5965-01-552-9610
NSN 5835-01-632-6627
NSN 6130-01-268-3323
NSN 5998-01-510-6561
NSN 6220-01-050-8122