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 5915-01-500-1826
NSN 6610-01-468-0679
NSN 6135-01-633-8502
NSN 5985-01-523-3303
NSN 5915-01-525-6504
NSN 6645-01-151-9732
NSN 6130-01-100-3285
NSN 5996-01-300-2746
NSN 5925-01-597-2065
NSN 5985-00-706-8271
NSN 6135-01-278-9717
NSN 2925-01-285-7163