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 5998-00-182-9902
NSN 6685-01-289-7275
NSN 7035-01-118-4486
NSN 6145-01-123-3793
NSN 5960-00-430-3781
NSN 5855-00-466-2309
NSN 7035-01-380-3759
NSN 6240-01-334-6106
NSN 5855-01-100-3272
NSN 5855-00-951-6483
NSN 5925-01-295-6441
NSN 6110-01-528-8417