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 5945-01-084-9245
NSN 5998-00-843-1125
NSN 6620-00-628-2150
NSN 6650-00-796-9972
NSN 7035-01-413-6697
NSN 6130-01-016-9598
NSN 5905-01-607-5308
NSN 6645-01-602-8275
NSN 5855-00-138-2386
NSN 6145-01-422-4485
NSN 6220-01-104-5075
NSN 6620-01-168-8450