NSN 6650-00-520-4757 5204757, 00-520-4757, 005204757
Product Details | OPTICAL INSTRUMENT LENS
6650-00-520-4757 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: 5204757, 6650-00-520-4757, 00-520-4757, 6650005204757, 005204757
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 | 00-520-4757 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 6650-00-520-4757
Cross Reference | NSN 6650-00-520-4757
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5204757 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Related Products | NSN 6650-00-520-4757
Technical Data | NSN 6650-00-520-4757
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, JAN-G-174, GRADE C |
| COMPOUND LENS STYLE | E1 DOUBLET |
| INDIVIDUAL LENS STYLE | D1 DOUBLE CONVEX AND D6 MENISCUS DIVERGING |
| DIAMETER | 0.689 INCHES NOMINAL |
| AXIAL THICKNESS | 0.335 INCHES NOMINAL AND 0.430 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.394 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.211 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -0.629 INCHES AND 0.473 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -0.473 INCHES AND 3.351 INCHES |
| EQUIVALENT FOCAL LENGTH | 1.141 INCHES |
| BACK FOCAL LENGTH | 0.905 INCHES |
| REFRACTION INDEX | 1.5411 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | 36.600 AND 59.900 |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 5204757 |
Restrictions/Controls & Freight Information | NSN 6650-00-520-4757
| 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: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||