NSN 6540-00-221-5985
Part Details | COMPOUND OPHTHALMIC LENS
6540-00-221-5985 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Alternate Parts: MILL16991, 6540-00-221-5985, 00-221-5985, 6540002215985, 002215985
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | JUN 20, 1969 | 00-221-5985 | 04121 ( LENS, OPHTHALMIC, COMPOUND ) |
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
ROUND-RECTANGULAR WITH ROUNDED CORNERS
Cross Reference | NSN 6540-00-221-5985
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MILL16991 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 6540-00-221-5985
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| DIAMETER | 55.0 MILLIMETERS MINIMUM AND 62.0 MILLIMETERS MAXIMUM |
| WIDTH | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| HEIGHT | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| MATERIAL AND LOCATION | GLASS, SODA-LIME SINGLE VISION |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND |
| BASE CURVE DIOPTER | 7.50 MINUS NOMINAL |
| CROSS CURVE DIOPTER | 2.00 PLUS NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE AND F CLASS |