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 5975-01-024-8486
NSN 5950-01-464-0042
NSN 5965-00-964-1756
NSN 5999-01-321-4032
NSN 6105-00-284-1994
NSN 5920-01-051-2239
NSN 6650-01-043-4221
NSN 5965-01-464-7983
NSN 5925-00-871-6497
NSN 6150-01-098-0820
NSN 5965-00-181-0213
NSN 5910-00-588-9157