NSN 6650-00-816-0505
Part Details | OPTICAL INSTRUMENT LENS
6650-00-816-0505 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: 1575536, 6650-00-816-0505, 00-816-0505, 6650008160505, 008160505
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-816-0505 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONVEX
DIALYTE
PLANO-CONVEX
Cross Reference | NSN 6650-00-816-0505
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1575536 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-816-0505
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| SINGLE LENS STYLE | PLANO-CONVEX |
| COMPOUND LENS STYLE | DIALYTE |
| INDIVIDUAL LENS STYLE | PLANO-CONVEX |
| DIAMETER | 2.28189 INCHES MINIMUM AND 2.28346 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.47244 INCHES NOMINAL |
| EQUIVALENT FOCAL LENGTH | 4.188 INCHES |
| BACK FOCAL LENGTH | 4.188 INCHES |
| FRONT FOCAL LENGTH | 3.877 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL |
| ABBE CONSTANT | 64.500 |
| FSC APPLICATION DATA | 1. FIRE CONTROL COMPUTING SIGHTS AND DEVICES |