NSN 6650-00-903-9537
Part Details | OPTICAL INSTRUMENT LENS
6650-00-903-9537 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: 8216017, 6650-00-903-9537, 00-903-9537, 6650009039537, 009039537
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1960 | 00-903-9537 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-903-9537
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8216017 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-903-9537
| 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 | MENISCUS DIVERGING AND PLANO-CONVEX |
| DIAMETER | 0.560 INCHES NOMINAL |
| AXIAL THICKNESS | 0.096 INCHES NOMINAL AND 0.156 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.252 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.250 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 2.702 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.700 INCHES |
| EQUIVALENT FOCAL LENGTH | 6.568 INCHES |
| BACK FOCAL LENGTH | 6.369 INCHES |
| FRONT FOCAL LENGTH | 6.117 INCHES |
| REFRACTION INDEX | 1.7200 NOMINAL AND 1.5230 NOMINAL |
| ABBE CONSTANT | B29.300$$B58.600 |
| FSC APPLICATION DATA | PERISCOPE,XM44 |
