Flat top; cr-39; segment positioned 5 mm below and 5 mm in from geometric center for right and left lenses (porm 2 mm)
A transparent optical element consisting of a major blank and a bifocal segment. The blank and segment have been pressed in a glass mold to an approximate size and shape, and are ground and polished to a finished diopter curvature on one surface only.
Classification: Lens blanks (other than for spectacles) not optically worked, of glass, (optical elements)
NSN 6320-01-039-5891
NSN 6650-00-962-3069
NSN 5920-01-261-6358
NSN 6130-01-363-1305
NSN 5950-01-102-7771
NSN 6145-00-497-1578
NSN 6610-01-536-2446
NSN 5950-00-158-5352
NSN 5996-00-399-0731
NSN 6650-01-291-5024
NSN 5930-00-521-5450
NSN 6135-01-031-3032