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 5998-00-705-5908
NSN 5985-01-146-6807
NSN 6685-01-105-6841
NSN 6620-01-479-2352
NSN 5945-00-613-9056
NSN 6220-00-003-8992
NSN 5920-01-139-5973
NSN 5996-00-044-3254
NSN 5965-01-472-1997
NSN 6610-00-771-6074
NSN 5855-01-426-5589
NSN 6645-01-145-7357