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 5915-00-085-8118
NSN 6645-00-825-2448
NSN 2925-00-570-6309
NSN 6110-00-564-3718
NSN 6645-01-096-9719
NSN 6240-00-957-5724
NSN 6685-01-100-8061
NSN 5915-01-495-1063
NSN 6105-01-549-7398
NSN 5998-00-862-5511
NSN 5965-01-160-2691
NSN 5960-00-774-4515