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 5925-00-088-5477
NSN 5925-01-504-2852
NSN 5930-01-070-1345
NSN 5945-01-535-9518
NSN 5925-01-262-9311
NSN 6610-01-049-2661
NSN 6220-00-689-8114
NSN 6150-00-202-9150
NSN 5905-01-524-0035
NSN 2925-00-951-0150
NSN 6320-01-100-7554
NSN 6650-01-168-8451