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 5925-00-309-2404
NSN 6645-01-068-3042
NSN 6610-01-179-0116
NSN 6130-00-281-5978
NSN 5930-00-661-2280
NSN 5895-01-592-8494
NSN 5950-00-407-0812
NSN 5999-01-176-9262
NSN 6685-01-566-4311
NSN 6645-01-117-9865
NSN 6240-01-556-2924
NSN 5945-01-244-6237