Part Details | SEMIFINISHED SPHERE OPHTHALMIC LENS BLANK
6540-00-926-4778 A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.
Alternate Parts: MILL16991, 6540-00-926-4778, 00-926-4778, 6540009264778, 009264778
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | MAY 04, 1966 | 00-926-4778 | 30303 ( LENS BLANK, OPHTHALMIC, SPHERE, SEMIFINISHED ) |
REFERENCE DRAWINGS & PICTURES
SPHERE
ROUND-RECTANGULAR WITH ROUNDED CORNERS
Cross Reference | NSN 6540-00-926-4778
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MILL16991 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 6540-00-926-4778
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| DIAMETER | 54.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| WIDTH | 54.0 MILLIMETERS MINIMUM AND 57.0 MILLIMETERS MAXIMUM |
| HEIGHT | 54.0 MILLIMETERS MINIMUM AND 57.0 MILLIMETERS MAXIMUM |
| MATERIAL AND LOCATION | GLASS, SODA-LIME SINGLE VISION |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHERE |
| BASE CURVE DIOPTER | 8.50 PLUS NOMINAL |
| SPHERE CURVE OUTSIDE DIOPTER | 8.50 PLUS MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND D CLASS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTHALMIC SEMIFINISHED SPHERICAL PLUS 8.50 DIOP BC |