NSN 1240-00-520-4648 005204648
Product Details | OPTICAL INSTRUMENT LENS
1240-00-520-4648 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: 005204648
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-520-4648 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 1240-00-520-4648
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Technical Data | NSN 1240-00-520-4648
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 580-410 |
| SINGLE LENS STYLE | D2 PLANO-CONVEX |
| INDIVIDUAL LENS STYLE | D2 PLANO-CONVEX |
| DIAMETER | 0.588 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| AXIAL THICKNESS | 0.144 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| EQUIVALENT FOCAL LENGTH | 0.968 INCHES |
| BACK FOCAL LENGTH | 0.871 INCHES |
| FRONT FOCAL LENGTH | 0.717 INCHES |
| REFRACTION INDEX | 1.5800 NOMINAL |
| ABBE CONSTANT | 41.000 |
| III FSC APPLICATION DATA | TELESCOPE,OPTICAL,INTEGRATED WITH FIRE CONTROL EQUIP |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 5204648 |
Restrictions/Controls & Freight Information | NSN 1240-00-520-4648
| 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 | ||