Part Details | SPHERE OPHTHALMIC LENS
6540-00-001-0149 A transparent optical element having equal spherical diopter curvatures used to correct hyperopic (farsightedness) or myopic (nearsightedness) conditions of the eye.
Alternate Parts: LENS,M4.25SPH,2BC,71MM DIA, M425, 6540-00-001-0149, 00-001-0149, 6540000010149, 000010149
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | DEC 17, 1971 | 00-001-0149 | 04122 ( LENS, OPHTHALMIC, SPHERE ) |
REFERENCE DRAWINGS & PICTURES
SPHERE
ROUND
Cross Reference | NSN 6540-00-001-0149
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LENS,M4.25SPH,2BC,71MM DIA | 92083 | HIS VISION INC |
| M425 | 8V333 | I F OPTICAL COMPANY INCDBA CHICAGO OPTICAL CO |
Technical Data | NSN 6540-00-001-0149
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND |
| DIAMETER | 71.0 MILLIMETERS MINIMUM |
| THICKNESS | 1.6 MILLIMETERS NOMINAL |
| MATERIAL AND LOCATION | PLASTIC SINGLE VISION |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHERE |
| BASE CURVE DIOPTER | 7.00 PLUS NOMINAL |
| SPHERE CURVE INSIDE DIOPTER | 4.25 MINUS MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 1 STYLE AND A CLASS |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY DIAMETER |
| CUBIC MEASURE | 1.100 CUBIC FEET |
| SUPPLEMENTARY FEATURES | UNCUT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC SPHERE PLAS MINUS 4.25 SPHERE CURVE INS DIOPTER |