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 5910-00-394-1690
NSN 5945-01-297-8575
NSN 5996-00-624-7292
NSN 5910-01-209-0636
NSN 5855-01-476-4219
NSN 6610-00-186-9180
NSN 6320-01-089-9086
NSN 5950-00-427-5262
NSN 6135-00-998-5884
NSN 5998-00-367-4281
NSN 5985-01-514-9811
NSN 5960-00-268-3200