NSN 6650-00-757-7955
Part Details | OPTICAL INSTRUMENT LENS
6650-00-757-7955 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: 7577955, 6650-00-757-7955, 00-757-7955, 6650007577955, 007577955
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-757-7955 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS DIVERGING
MENISCUS DIVERGING
Cross Reference | NSN 6650-00-757-7955
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7577955 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-757-7955
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| SINGLE LENS STYLE | MENISCUS DIVERGING |
| INDIVIDUAL LENS STYLE | MENISCUS DIVERGING |
| DIAMETER | 1.468 INCHES NOMINAL |
| AXIAL THICKNESS | 0.804 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 2.080 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.177 INCHES |
| EQUIVALENT FOCAL LENGTH | -7.525 INCHES |
| BACK FOCAL LENGTH | -6.534 INCHES |
| FRONT FOCAL LENGTH | 5.730 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL |
| ABBE CONSTANT | 64.500 |
| FSC APPLICATION DATA | TELESCOPE INTEGRATED WITH FIRE CONTROL EQUIPMENT |