NSN 6650-00-768-8718 7688718, 00-768-8718, 007688718
Product Details | OPTICAL INSTRUMENT LENS
6650-00-768-8718 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: 7688718, 6650-00-768-8718, 00-768-8718, 6650007688718, 007688718
Instruments and Laboratory Equipment | Optical Instruments, Test Equipment, Components and Accessories
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 01 JAN 1962 | 00-768-8718 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 6650-00-768-8718
Cross Reference | NSN 6650-00-768-8718
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7688718 | 19200 | US ARMY ARDEC RDECOM |
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Technical Data | NSN 6650-00-768-8718
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 511-635 AND GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 720-293 |
| COMPOUND LENS STYLE | E1 DOUBLET |
| INDIVIDUAL LENS STYLE | D1 DOUBLE CONVEX AND D4 DOUBLE CONCAVE |
| DIAMETER | 1.062 INCHES MINIMUM AND 1.065 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.108 INCHES MINIMUM AND 0.128 INCHES MAXIMUM AND 0.384 INCHES MINIMUM AND 0.404 INCHES MAXIMUM |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.492 INCHES MINIMUM AND 0.532 INCHES MAXIMUM |
| COMPOUND LENS EDGE THICKNESS | 0.469 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.575 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.087 INCHES |
| EQUIVALENT FOCAL LENGTH | 35.620 INCHES |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.7200 NOMINAL |
| ABBE CONSTANT | 63.500 AND 29.300 |
| SPECIAL FEATURES | FRONT AND BACK SURFACES COATED WITH MAGNESIUM FLUORIDE. ALL EDGES CHAMFERED 0.020 IN. MIN. BY 45 DEG. RIM AND CHAMFERS GROUND. |
| III FSC APPLICATION DATA | PERISCOPE,TANK |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7688718 |
Restrictions/Controls & Freight Information | NSN 6650-00-768-8718
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Controlled Inventory Item Code: | J | PILFERAGE - PILFERAGE CONTROLS MAY BE DESIGNATED BY THE CODING ACTIVITY TO ITEMS CODED U (UNCLASSIFIED) BY RECORDING THE ITEM TO J./  |
| 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 |
|---|---|---|
| NMF Description | 057940 | LENSES OPTICAL NOI |
| Less than car load rating | W | Rating Variable |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 744 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | M | Medical supplies, equipment, samples records, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | FF | |
| Type of Cargo | Z | No special type of cargo code applicable |