Part Details | SEMIFINISHED BIFOCAL OPHTHALMIC LENS BLANK
6540-01-382-4565 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: PLANO BC, 2.50 ADD, CR39, PLANO BC, 2.50 ADD, CR-39, 6540-01-382-4565, 01-382-4565, 6540013824565, 013824565
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | NOV 03, 1993 | 01-382-4565 | 30300 ( LENS BLANK, OPHTHALMIC, BIFOCAL, SEMIFINISHED ) |
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT
Cross Reference | NSN 6540-01-382-4565
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| PLANO BC, 2.50 ADD, CR-39 | 0G0R3 | SILOR OPTICAL OF FLORIDA INC |
Technical Data | NSN 6540-01-382-4565
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT |
| DIAMETER | 71.0 MILLIMETERS MINIMUM |
| THICKNESS | 6.0 MILLIMETERS NOMINAL |
| READING SEGMENT DIAMETER | 28.0 MILLIMETERS NOMINAL |
| READING SEGMENT HEIGHT | 19.0 MILLIMETERS NOMINAL |
| MATERIAL AND LOCATION | PLASTIC BIFOCAL |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND |
| BASE CURVE DIOPTER | 0.00 PLUS NOMINAL |
| ADDITIONAL POWER RATING IN DIOPTERS | 2.500 BIFOCAL |
| SPECIAL FEATURES | CR-39; PLANO |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTH BIFOCAL SEMIFINISHED PLAS +0.0 2.5DIOPTER PLANO |