NSN 6540-01-357-4123
Part Details | SEMIFINISHED BIFOCAL OPHTHALMIC LENS BLANK
6540-01-357-4123 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.
Alternate Parts: P10.25 BC, P1.75 ADD, 6540-01-357-4123, 01-357-4123, 6540013574123, 013574123
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | APR 23, 1992 | 01-357-4123 | 30300 ( LENS BLANK, OPHTHALMIC, BIFOCAL, SEMIFINISHED ) |
REFERENCE DRAWINGS & PICTURES
SPHERE
ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT
Cross Reference | NSN 6540-01-357-4123
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P10.25 BC, P1.75 ADD | 2M126 | X-CEL OPTICAL COMPANY |
Technical Data | NSN 6540-01-357-4123
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT |
| DIAMETER | 71.0 MILLIMETERS NOMINAL |
| THICKNESS | 8.2 MILLIMETERS NOMINAL |
| READING SEGMENT DIAMETER | 28.0 MILLIMETERS NOMINAL |
| READING SEGMENT HEIGHT | 19.0 MILLIMETERS NOMINAL |
| MATERIAL AND LOCATION | GLASS, SODA-LIME SINGLE VISION AND GLASS, BARIUM BIFOCAL |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHERE |
| BASE CURVE DIOPTER | 10.25 PLUS NOMINAL |
| ADDITIONAL POWER RATING IN DIOPTERS | 1.750 BIFOCAL |
| SPECIAL FEATURES | CROWN,WHITE; STRAIGHT TOP SEGMENT |