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 6620-01-412-5514
NSN 6650-01-024-9554
NSN 6130-00-877-5743
NSN 6645-01-220-9084
NSN 5925-01-284-1760
NSN 6240-00-483-1338
NSN 6150-00-925-7424
NSN 6650-01-645-2850
NSN 5996-01-381-1316
NSN 6320-01-115-4404
NSN 6220-01-144-5166
NSN 5930-00-905-5349