NSN 6650-01-271-8239
Part Details | OPTICAL INSTRUMENT LENS
6650-01-271-8239 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: SMD850293, SM-D-850293, SMD850293, SM-D-850293, SMD850293, SM-D-850293, 6650-01-271-8239, 01-271-8239, 6650012718239, 012718239
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 31, 1988 | 01-271-8239 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
MENISCUS DIVERGING
MENISCUS DIVERGING
Cross Reference | NSN 6650-01-271-8239
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SM-D-850293 | 34870 | FJW OPTICAL SYSTEMS, INC. |
| SM-D-850293 | 64281 | J M L OPTICAL INDUSTRIES, INC.DBA J M L DIRECT OPTICS |
| SM-D-850293 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 6650-01-271-8239
| Characteristic | Specifications |
|---|---|
| SINGLE LENS STYLE | MENISCUS DIVERGING |
| LENGTH | 0.418 INCHES NOMINAL |
| DIAMETER | 3.133 INCHES MINIMUM AND 3.137 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.204 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 4.932 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 11.110 INCHES |
| SPECIAL FEATURES | COATED WITH REFLECTIVE MATERIAL; EDGES TO BE CHAMFER TO 45 DEG; CENTER OFGLASS HOLE SHELL BE .500 IN. DIA |
