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 6105-00-456-1433
NSN 6685-00-349-3008
NSN 6150-00-417-3329
NSN 5895-01-059-7757
NSN 6685-01-004-2379
NSN 6220-01-291-9356
NSN 5990-01-455-8035
NSN 2925-01-510-9378
NSN 5855-01-289-8496
NSN 5965-01-270-1039
NSN 5996-01-578-6162
NSN 6135-00-927-5848