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 6130-01-023-8031
NSN 5920-01-204-0449
NSN 6645-01-484-9847
NSN 6135-01-633-8502
NSN 6130-00-218-1363
NSN 6150-01-389-2338
NSN 6685-01-563-8487
NSN 5999-01-268-1921
NSN 6685-00-842-4565
NSN 5905-01-422-7428
NSN 6650-01-017-6716
NSN 6105-01-575-1095