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 6650-01-160-1110
NSN 5935-01-571-8455
NSN 6610-01-557-1486
NSN 6145-01-463-9683
NSN 5835-00-244-4956
NSN 5915-01-231-3911
NSN 6240-00-271-5995
NSN 2925-00-198-5671
NSN 7035-00-166-0339
NSN 5965-00-222-7394
NSN 5998-00-678-6435
NSN 5920-01-406-6637