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 6685-00-527-6545
NSN 5965-00-281-0319
NSN 7035-01-076-4067
NSN 5945-00-311-6507
NSN 5895-01-481-3952
NSN 6105-00-679-1588
NSN 5945-01-057-7430
NSN 5935-00-241-5639
NSN 5895-01-122-0296
NSN 5985-01-511-2136
NSN 5998-00-938-6932
NSN 5998-01-111-1489