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 6130-01-464-5965
NSN 5915-00-361-1136
NSN 6110-01-470-0680
NSN 6240-01-626-3242
NSN 6320-01-442-8604
NSN 5915-01-157-2807
NSN 6105-00-497-0149
NSN 5895-01-391-8074
NSN 5895-01-226-2762
NSN 5985-01-341-7387
NSN 5965-01-095-9767
NSN 6645-00-589-0143