Part Details | COMPOUND OPHTHALMIC LENS
6540-00-001-0221 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Alternate Parts: LENS,P1.75M0.25, 6.5BC, 71MM DIA, MILL36824, 6540-00-001-0221, 00-001-0221, 6540000010221, 000010221
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | DEC 17, 1971 | 00-001-0221 | 04121 ( LENS, OPHTHALMIC, COMPOUND ) |
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
ROUND
Cross Reference | NSN 6540-00-001-0221
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LENS,P1.75M0.25, 6.5BC, 71MM DIA | 3N062 | DISPENSERS OPTICAL SERVICE CORP |
| MILL36824 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 6540-00-001-0221
| 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 | SPHEROCYLINDER COMPOUND |
| BASE CURVE DIOPTER | 7.25 PLUS NOMINAL |
| SPHERE CURVE INSIDE DIOPTER | 1.75 PLUS MAXIMUM |
| CYLINDER CURVE INSIDE DIOPTER | 0.25 MINUS MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 3 STYLE AND B CLASS |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BYDIAMETER |
| SUPPLEMENTARY FEATURES | UNCUT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND PLASTIC PLUS 1.75 ON MINUS 0.25 |