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 5835-01-045-6371
NSN 6105-01-499-2430
NSN 6145-01-131-1739
NSN 5835-01-641-0073
NSN 7035-01-263-5463
NSN 5960-01-481-8051
NSN 2925-01-528-7333
NSN 5905-00-951-5047
NSN 5985-01-388-3200
NSN 5895-01-403-2793
NSN 6610-01-026-1701
NSN 5920-00-280-5062