NSN 6650-00-382-1715
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1715 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: 944640, 6650-00-382-1715, 00-382-1715, 6650003821715, 003821715
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1715 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1715
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 944640 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-382-1715
| 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 | 1.732 INCHES NOMINAL |
| AXIAL THICKNESS | 0.437 INCHES NOMINAL AND 0.118 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.555 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.334 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -1.297 INCHES AND 2.674 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -1.297 INCHES AND -4.898 INCHES |
| EQUIVALENT FOCAL LENGTH | 3.302 INCHES |
| BACK FOCAL LENGTH | 3.073 INCHES |
| FRONT FOCAL LENGTH | 3.180 INCHES |
| REFRACTION INDEX | 1.6110 NOMINAL AND 1.7200 NOMINAL |
| ABBE CONSTANT | B58.800$$B29.300 |
| FSC APPLICATION DATA | 1. FIRE CONTROL,TELESCOPE,MK97 MOD 1 |