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 5965-00-204-8513
NSN 6145-00-949-9325
NSN 5945-00-854-5500
NSN 5960-01-172-2088
NSN 5990-01-060-3687
NSN 5930-01-215-6041
NSN 5925-00-829-4897
NSN 5990-01-352-5255
NSN 5855-01-533-7051
NSN 6240-01-577-0267
NSN 6650-00-604-1214
NSN 6145-01-130-1252