NSN 6650-00-346-8211 8567555, 00-346-8211, 003468211
Product Details | OPTICAL INSTRUMENT LENS
6650-00-346-8211 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.20258550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories
Part Alternates: 8567555, 6650-00-346-8211, 00-346-8211, 6650003468211, 003468211
Instruments and Laboratory Equipment | Optical Instruments, Test Equipment, Components and Accessories
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 01 JAN 1963 | 00-346-8211 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 6650-00-346-8211
Cross Reference | NSN 6650-00-346-8211
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8567555 | 19200 | US ARMY ARDEC RDECOM |
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Technical Data | NSN 6650-00-346-8211
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C |
| COMPOUND LENS STYLE | E1 DOUBLET |
| INDIVIDUAL LENS STYLE | D1 DOUBLE CONVEX AND D6 MENISCUS DIVERGING |
| DIAMETER | 1.220 INCHES NOMINAL |
| AXIAL THICKNESS | 0.3662 INCHES NOMINAL AND 0.0866 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.429 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| COMPOUND LENS EDGE THICKNESS | 0.281 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.9405 INCHES AND -1.1957 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -1.1957 INCHES AND -2.7240 INCHES |
| EQUIVALENT FOCAL LENGTH | 2.603 INCHES |
| BACK FOCAL LENGTH | 2.491 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | 64.500 AND 33.800 |
| III FSC APPLICATION DATA | SIGHT PERISCOPE M25,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 8567555 |
Restrictions/Controls & Freight Information | NSN 6650-00-346-8211
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | Q | Strategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.” |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||