NSN 6650-00-964-9277
Part Details | OPTICAL INSTRUMENT LENS
6650-00-964-9277 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: 8626473, 6650-00-964-9277, 00-964-9277, 6650009649277, 009649277
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-964-9277 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-964-9277
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8626473 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-964-9277
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| DIAMETER | 2.069 INCHES NOMINAL |
| AXIAL THICKNESS | 0.700 INCHES NOMINAL AND 0.126 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.826 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.250 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.851 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 2.731 INCHES |
| EQUIVALENT FOCAL LENGTH | 3.715 INCHES |
| BACK FOCAL LENGTH | 3.095 INCHES |
| FRONT FOCAL LENGTH | 2.269 INCHES |
| REFRACTION INDEX | 2.2690 NOMINAL AND 1.6200 NOMINAL |
| ABBE CONSTANT | B60.300$$B29.300 |
| FSC APPLICATION DATA | TELESCOPE INTEGRATED WITH FIRE CONTROL EQUIP |
