NSN 6650-00-393-0417
Part Details | OPTICAL INSTRUMENT LENS
6650-00-393-0417 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: 11733419, 6650-00-393-0417, 00-393-0417, 6650003930417, 003930417
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | APR 01, 1974 | 00-393-0417 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-393-0417
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11733419 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-393-0417
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | PLANO-CONCAVE AND PLANO-CONVEX |
| DIAMETER | 1.791 INCHES MINIMUM AND 1.794 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.099 INCHES NOMINAL AND 0.612 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 1.073 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 0.681 INCHES |
| EQUIVALENT FOCAL LENGTH | -3.851 INCHES |
| BACK FOCAL LENGTH | -5.720 INCHES |
| REFRACTION INDEX | 1.7620 NOMINAL AND 1.6200 NOMINAL |
| ABBE CONSTANT | B26.500$$B60.300 |