NSN 6650-00-546-9582
Part Details | OPTICAL INSTRUMENT LENS
6650-00-546-9582 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: 7591260, 7591260, 7591260, 6650-00-546-9582, 00-546-9582, 6650005469582, 005469582
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-546-9582 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-546-9582
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7591260 | 34870 | FJW OPTICAL SYSTEMS, INC. |
| 7591260 | 64281 | J M L OPTICAL INDUSTRIES, INC.DBA J M L DIRECT OPTICS |
| 7591260 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-546-9582
| 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 PLANO-CONCAVE |
| DIAMETER | 2.520 INCHES NOMINAL |
| AXIAL THICKNESS | 0.551 INCHES NOMINAL AND 0.160 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.711 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.458 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -3.555 INCHES AND 3.260 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -3.555 INCHES AND 3.260 INCHES |
| EQUIVALENT FOCAL LENGTH | 7.839 INCHES |
| BACK FOCAL LENGTH | 7.292 INCHES |
| FRONT FOCAL LENGTH | 6.581 INCHES |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.6210 NOMINAL |
| ABBE CONSTANT | B63.500$$B36.200 |
| FSC APPLICATION DATA | SIGHT,REFLEX M18,INTEGRATED WITH FIRE CONTROL EQUIP |