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 6240-01-468-5576
NSN 6150-01-104-4323
NSN 6135-01-204-8712
NSN 5945-00-153-4655
NSN 6645-00-246-4934
NSN 5935-00-019-8170
NSN 6685-01-617-5790
NSN 6145-01-361-4731
NSN 6105-01-016-6420
NSN 4140-01-026-2304
NSN 5910-01-606-7724
NSN 6135-00-542-6728