NSN 6650-00-757-5133
Part Details | OPTICAL INSTRUMENT LENS
6650-00-757-5133 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: 7575133, 6650-00-757-5133, 00-757-5133, 6650007575133, 007575133
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-757-5133 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-757-5133
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7575133 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-757-5133
| 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 MENISCUS DIVERGING |
| DIAMETER | 2.047 INCHES NOMINAL |
| AXIAL THICKNESS | 0.461 INCHES NOMINAL AND 0.118 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.579 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.392 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 4.410 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 2.897 INCHES |
| EQUIVALENT FOCAL LENGTH | 6.790 INCHES |
| BACK FOCAL LENGTH | 6.516 INCHES |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | B63.500$$B33.800 |
| FSC APPLICATION DATA | PERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |