NSN 6650-00-131-0674
Part Details | OPTICAL INSTRUMENT LENS
6650-00-131-0674 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: 176446PC4, 176446PC4, 6650-00-131-0674, 00-131-0674, 6650001310674, 001310674
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-131-0674 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DIALYTE
Cross Reference | NSN 6650-00-131-0674
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176446PC4 | 64804 | BAUSCH AND LOMB INCOPTHALMIC INSTRUMENT DIV |
| 176446PC4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-131-0674
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS |
| COMPOUND LENS STYLE | DIALYTE |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| DIAMETER | 20.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 3.0 MILLIMETERS NOMINAL AND 1.2 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 4.2 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 4.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 153.7 MILLIMETERS AND -175.9 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 179.3 MILLIMETERS AND -2090.2 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 41.718 CENTIMETERS |
| REFRACTION INDEX | 1.5125 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | B60.500$$B36.600 |
| END ITEM IDENTIFICATION | RANGEFINDER MK45 |