NSN 6650-00-131-7284
Part Details | OPTICAL INSTRUMENT LENS
6650-00-131-7284 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: 176709PC1, 176709PC1, 6650-00-131-7284, 00-131-7284, 6650001317284, 001317284
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-131-7284 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DIALYTE
Cross Reference | NSN 6650-00-131-7284
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176709PC1 | 64804 | BAUSCH AND LOMB INCOPTHALMIC INSTRUMENT DIV |
| 176709PC1 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-131-7284
| Characteristic | Specifications |
|---|---|
| COMPOUND LENS STYLE | DIALYTE |
| INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND PLANO-CONVEX |
| DIAMETER | 35.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL AND 8.9 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 22.8 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 147.3 MILLIMETERS AND 77.0 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | -75.9 MILLIMETERS AND 0.0 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 35.900 CENTIMETERS |
| BACK FOCAL LENGTH | 35.900 CENTIMETERS |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | B64.500$$B36.600 |
| SPECIAL FEATURES | RETICLE MOUNTED ON RIGHT SIDE OF RIGHT LENS |
| END ITEM IDENTIFICATION | RANGEFINDER MK42 |