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 6650-01-327-3068
NSN 5985-00-715-5578
NSN 5950-00-555-2881
NSN 5935-00-843-0408
NSN 5855-01-570-7801
NSN 5998-01-604-8408
NSN 5895-01-092-0396
NSN 6135-00-262-6807
NSN 5950-01-082-4300
NSN 5895-01-310-8659
NSN 6240-01-354-5288
NSN 5935-00-762-1053