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 5975-01-197-7065
NSN 5910-00-478-6795
NSN 6685-01-230-9116
NSN 5905-00-104-5963
NSN 6320-01-631-7828
NSN 6620-00-203-9466
NSN 5920-01-336-2259
NSN 5996-01-318-3163
NSN 5965-00-100-1291
NSN 6650-01-329-8020
NSN 5910-01-438-4952
NSN 5960-01-310-3863