NSN 6650-00-382-1917
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1917 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: LD172591PC29, LD172591GP29, LD172591PC29, LD172591GP29, 6650-00-382-1917, 00-382-1917, 6650003821917, 003821917
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1917 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1917
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LD172591PC29 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172591GP29 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172591PC29 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| LD172591GP29 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-382-1917
| 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 | 0.945 INCHES NOMINAL |
| AXIAL THICKNESS | 0.091 INCHES NOMINAL AND 0.256 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.347 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.235 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -0.945 INCHES AND 2.126 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -0.945 INCHES AND -1.969 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.362 INCHES |
| BACK FOCAL LENGTH | 2.252 INCHES |
| FRONT FOCAL LENGTH | 2.244 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | B64.500$$B33.800 |
| FSC APPLICATION DATA | FIRE CONTROL,RANGEFINDER,MK57 |