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 5905-01-376-9476
NSN 6135-01-624-7208
NSN 5998-01-521-2780
NSN 5925-01-318-5330
NSN 6685-00-279-3620
NSN 5985-01-363-8827
NSN 6130-00-523-7885
NSN 5895-00-583-8339
NSN 5999-01-188-7221
NSN 6645-01-420-5623
NSN 6650-01-613-3642
NSN 5985-01-444-1413