NSN 6650-00-131-0660
Part Details | OPTICAL INSTRUMENT LENS
6650-00-131-0660 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: 176445PC10, 176445PC10, 6650-00-131-0660, 00-131-0660, 6650001310660, 001310660
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-131-0660 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DIALYTE
Cross Reference | NSN 6650-00-131-0660
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176445PC10 | 64804 | BAUSCH AND LOMB INCOPTHALMIC INSTRUMENT DIV |
| 176445PC10 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-131-0660
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DIALYTE |
| INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND DOUBLE CONVEX |
| DIAMETER | 83.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 9.0 MILLIMETERS NOMINAL AND 20.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 41.0 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 5.0 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 1251.5 MILLIMETERS AND 261.9 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | -247.2 MILLIMETERS AND 408.4 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 76.230 CENTIMETERS |
| BACK FOCAL LENGTH | 71.680 CENTIMETERS |
| REFRACTION INDEX | 1.6170 NOMINAL AND 1.5170 NOMINAL |
| ABBE CONSTANT | B36.600$$B64.500 |
| END ITEM IDENTIFICATION | RANGEFINDER MK45 |