NSN 6650-00-757-7954 007577954
Product Details | OPTICAL INSTRUMENT LENS
6650-00-757-7954 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: 007577954
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-757-7954 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 1240-00-757-7954
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Technical Data | NSN 6650-00-757-7954
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, JAN-G-174, GRADE C |
| COMPOUND LENS STYLE | E1 DOUBLET |
| INDIVIDUAL LENS STYLE | D1 DOUBLE CONVEX AND D6 MENISCUS DIVERGING |
| DIAMETER | 1.468 INCHES NOMINAL |
| AXIAL THICKNESS | 0.434 INCHES NOMINAL AND 0.145 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.579 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.460 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 0.793 INCHES AND -0.709 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -0.709 INCHES AND -3.284 INCHES |
| EQUIVALENT FOCAL LENGTH | 1.446 INCHES |
| BACK FOCAL LENGTH | 1.281 INCHES |
| FRONT FOCAL LENGTH | 1.006 INCHES |
| REFRACTION INDEX | 1.5170 NOMINAL AND 1.6170 NOMINAL |
| ABBE CONSTANT | 64.500 AND 33.800 |
| III FSC APPLICATION DATA | TELESCOPE,INTEGRATED WITH FIRE CONTROL |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7577954 |
Restrictions/Controls & Freight Information | NSN 6650-00-757-7954
| 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 | ||