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 5930-01-030-0515
NSN 6110-00-836-3324
NSN 5996-00-973-4179
NSN 5925-01-577-3392
NSN 5965-00-161-4578
NSN 6220-01-065-2171
NSN 5915-01-499-9424
NSN 5855-01-651-3794
NSN 6130-01-495-4632
NSN 5960-01-347-0751
NSN 6320-01-592-6248
NSN 6240-00-347-7118