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 6620-00-934-9150
NSN 5925-01-439-1364
NSN 5915-00-954-9294
NSN 6610-01-382-4974
NSN 6145-00-135-1436
NSN 6145-01-210-4000
NSN 6150-00-444-5109
NSN 6610-01-112-6839
NSN 6620-01-224-4985
NSN 5965-00-546-4402
NSN 7035-01-286-2677
NSN 6650-00-059-6268