NSN 6650-00-768-8771 7688771, 00-768-8771, 007688771
Product Details | OPTICAL INSTRUMENT LENS
6650-00-768-8771 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: 7688771, 6650-00-768-8771, 00-768-8771, 6650007688771, 007688771
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 | 00-768-8771 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 6650-00-768-8771
Cross Reference | NSN 6650-00-768-8771
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7688771 | 19200 | US ARMY ARDEC RDECOM |
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Technical Data | NSN 6650-00-768-8771
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, GRADE C, TYPE 689-309 |
| SINGLE LENS STYLE | D4 DOUBLE CONCAVE |
| DIAMETER | 1.097 INCHES MINIMUM AND 1.100 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| ELEMENT LEFT SURFACE RADIUS | 2.774 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 0.860 INCHES |
| EQUIVALENT FOCAL LENGTH | -0.927 INCHES |
| BACK FOCAL LENGTH | -0.961 INCHES |
| REFRACTION INDEX | 1.6890 NOMINAL |
| ABBE CONSTANT | 30.900 |
| SPECIAL FEATURES | LEFT SURFACE EDGE CHAMFER 0.010 TO 0.020 IN. BY 45 DEG. RIGHT SURFACE EDGE CHAMFER 0.050 TO 0.060 IN. BY 45 DEG. BOTH SURFACES COATED WITH MAGNESIUM FLUORIDE. RIM AND CHAMFERS GROUND. |
| III FSC APPLICATION DATA | PERISCOPE,TANK |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7688771 |
Restrictions/Controls & Freight Information | NSN 6650-00-768-8771
| 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: | D | Munitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.) |
| 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 |