NSN 6650-00-692-1532
Part Details | OPTICAL INSTRUMENT LENS
6650-00-692-1532 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: 1240006921532, 8270611, 6650-00-692-1532, 00-692-1532, 6650006921532, 006921532
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-692-1532 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE CONVEX
DOUBLET
DOUBLE CONVEX
Cross Reference | NSN 6650-00-692-1532
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1240006921532 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 8270611 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-692-1532
| 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 |
| DIAMETER | 0.984 INCHES NOMINAL |
| AXIAL THICKNESS | 0.121 INCHES NOMINAL AND 0.210 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.331 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.306 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 5.3640 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.0420 INCHES |
| EQUIVALENT FOCAL LENGTH | 4.739 INCHES |
| FRONT FOCAL LENGTH | 4.628 INCHES |
| REFRACTION INDEX | 1.6110 MINIMUM AND 1.6490 MAXIMUM |
| ABBE CONSTANT | B33.800$$B58.800 |
| FSC APPLICATION DATA | SIGHT PERISCOPE M28,INTEGRATED WITH FIRE CONTROL EQUIPMENT |