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 5998-01-510-3837
NSN 7035-01-013-0934
NSN 6320-01-449-1014
NSN 5998-00-858-1613
NSN 6240-01-123-4998
NSN 5910-00-484-2928
NSN 6685-01-455-3808
NSN 5915-01-578-1072
NSN 5905-01-159-2526
NSN 2925-01-483-3115
NSN 6610-00-027-8406
NSN 5996-00-112-4588