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 6150-01-593-4073
NSN 6685-01-254-3014
NSN 5950-01-497-3581
NSN 5960-01-183-8213
NSN 6650-00-408-1985
NSN 5905-01-119-9273
NSN 5996-01-301-6498
NSN 6135-01-205-5965
NSN 6650-01-517-9452
NSN 5950-00-372-5591
NSN 6650-01-333-3646
NSN 5835-01-070-6750