NSN 1240-00-763-2694 007632694
Product Details | OPTICAL INSTRUMENT LENS
1240-00-763-2694 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: 007632694
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-763-2694 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 1240-00-763-2694
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Technical Data | NSN 1240-00-763-2694
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B |
| COMPOUND LENS STYLE | E1 DOUBLET |
| INDIVIDUAL LENS STYLE | D1 DOUBLE CONVEX AND D4 DOUBLE CONCAVE |
| DIAMETER | 1.700 INCHES NOMINAL |
| AXIAL THICKNESS | 0.225 INCHES NOMINAL AND 0.160 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.385 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.344 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 6.946 INCHES AND -4.336 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -4.336 INCHES AND -12.338 INCHES |
| EQUIVALENT FOCAL LENGTH | 10.649 INCHES |
| BACK FOCAL LENGTH | 10.488 INCHES |
| FRONT FOCAL LENGTH | 10.103 INCHES |
| REFRACTION INDEX | 1.5110 NOMINAL AND 1.6490 NOMINAL |
| ABBE CONSTANT | 63.500 AND 33.800 |
| III FSC APPLICATION DATA | RANGE FINDER M12,INTEGRATED WITH FIRE CONTROL EQUIP |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7632694 |
Restrictions/Controls & Freight Information | NSN 1240-00-763-2694
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||