NSN 1240-00-518-2960 005182960
Product Details | OPTICAL INSTRUMENT LENS
1240-00-518-2960 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: 005182960
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-518-2960 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 1240-00-518-2960
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Related Products | NSN 1240-00-518-2960
Technical Data | NSN 1240-00-518-2960
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C |
| COMPOUND LENS STYLE | E1 DOUBLET |
| INDIVIDUAL LENS STYLE | D1 DOUBLE CONVEX AND D5 PLANO-CONCAVE |
| DIAMETER | 1.102 INCHES NOMINAL |
| AXIAL THICKNESS | 0.337 INCHES NOMINAL AND 0.081 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.418 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.250 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 1.355 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.255 INCHES |
| EQUIVALENT FOCAL LENGTH | 1.849 INCHES |
| BACK FOCAL LENGTH | 1.636 INCHES |
| REFRACTION INDEX | 1.6109 NOMINAL AND 1.6479 NOMINAL |
| ABBE CONSTANT | 57.200 AND 33.800 |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 5182960 |
Restrictions/Controls & Freight Information | NSN 1240-00-518-2960
| 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 |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||