NSN 6650-00-757-5136
Part Details | OPTICAL INSTRUMENT LENS
6650-00-757-5136 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: 7575136, 7575136, 7575136, 7575136, 6650-00-757-5136, 00-757-5136, 6650007575136, 007575136
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-757-5136 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-757-5136
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7575136 | 34870 | FJW OPTICAL SYSTEMS, INC. |
| 7575136 | 64281 | J M L OPTICAL INDUSTRIES, INC.DBA J M L DIRECT OPTICS |
| 7575136 | 22255 | PLX INC.DBA P L X |
| 7575136 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-757-5136
| 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 CONCAVE AND DOUBLE CONVEX |
| DIAMETER | 1.634 INCHES NOMINAL |
| AXIAL THICKNESS | 0.185 INCHES NOMINAL AND 0.642 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.827 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.752 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.839 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 2.231 INCHES |
| EQUIVALENT FOCAL LENGTH | 11.046 INCHES |
| BACK FOCAL LENGTH | 13.196 INCHES |
| REFRACTION INDEX | 1.6210 NOMINAL AND 1.5411 NOMINAL |
| ABBE CONSTANT | B36.200$$B59.900 |
| FSC APPLICATION DATA | TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |