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 5998-00-316-3393
NSN 6130-01-627-6262
NSN 6685-00-909-9768
NSN 5915-01-436-3435
NSN 6240-01-008-9688
NSN 6620-01-497-1746
NSN 5998-01-214-4499
NSN 5990-00-826-7928
NSN 6145-01-273-0077
NSN 6650-01-520-3494
NSN 2925-01-014-0118
NSN 5985-00-008-3270