NSN 6650-00-902-9736
Part Details | OPTICAL INSTRUMENT LENS
6650-00-902-9736 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: 8579804, 6650-00-902-9736, 00-902-9736, 6650009029736, 009029736
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1960 | 00-902-9736 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONCAVE
PLANO-CONCAVE
Cross Reference | NSN 6650-00-902-9736
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8579804 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-902-9736
| 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-CONCAVE |
| INDIVIDUAL LENS STYLE | PLANO-CONCAVE |
| DIAMETER | 1.900 INCHES NOMINAL |
| AXIAL THICKNESS | 0.100 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.353 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.353 INCHES |
| EQUIVALENT FOCAL LENGTH | 3.995 INCHES |
| BACK FOCAL LENGTH | 2.059 INCHES |
| FRONT FOCAL LENGTH | 1.959 INCHES |
| REFRACTION INDEX | 1.6570 NOMINAL |
| ABBE CONSTANT | 2.059 |
| FSC APPLICATION DATA | 1. PERISCOPE,TANK,XM48 |
