NSN 6650-00-213-7002
Part Details | OPTICAL INSTRUMENT LENS
6650-00-213-7002 An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
Alternate Parts: 11738875, 6650-00-213-7002, 00-213-7002, 6650002137002, 002137002
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | APR 20, 1973 | 00-213-7002 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-213-7002
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11738875 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-213-7002
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| DIAMETER | 2.123 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.464 INCHES MINIMUM AND 0.472 INCHES MAXIMUM AND 0.278 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | -3.167 INCHES AND 5.391 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -3.167 INCHES AND 12.399 INCHES |
| EQUIVALENT FOCAL LENGTH | 8.126 INCHES |
| BACK FOCAL LENGTH | 7.772 INCHES |
| FRONT FOCAL LENGTH | 7.992 INCHES |
| REFRACTION INDEX | 1.5310 NOMINAL AND 1.6030 NOMINAL |
| ABBE CONSTANT | B62.100$$B38.000 |
| SPECIAL FEATURES | BLACK ARROW ON PERIPHERY. FRONT AND BACK SURFACES COATED WITH MAGNESIUM FLUORIDE. CHAMFER EDGES 0.010 IN. TO 0.015 IN. BY 40 TO 50 DEG. RIM AND CHAMFERS GROUND. |
| FSC APPLICATION DATA | RECEIVER-TRANSMITTER,LASER |