NSN 6650-00-382-1836
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1836 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: LD172589PC51, LD172589GP51, LD172589PC51, 6650-00-382-1836, 00-382-1836, 6650003821836, 003821836
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1836 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1836
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LD172589PC51 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172589GP51 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD172589PC51 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-382-1836
| 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 | 1.101 INCHES NOMINAL |
| AXIAL THICKNESS | 0.354 INCHES NOMINAL AND 0.118 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.472 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.333 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -1.103 INCHES AND 1.274 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -1.103 INCHES AND -10.370 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.144 INCHES |
| BACK FOCAL LENGTH | 2.131 INCHES |
| FRONT FOCAL LENGTH | 1.860 INCHES |
| REFRACTION INDEX | 1.5880 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | B53.400$$B33.800 |
| FSC APPLICATION DATA | FIRE CONTROL,TELESCOPE,MK91 MOD 0 |