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 5960-01-024-7918
NSN 5925-01-264-1814
NSN 5920-01-279-2950
NSN 2925-00-149-0760
NSN 6135-01-553-3604
NSN 5998-01-244-2854
NSN 5925-00-728-5217
NSN 5915-01-513-0447
NSN 6110-01-521-3865
NSN 5998-01-423-0994
NSN 6150-01-025-1467
NSN 5905-01-515-7449