Part Details | OPTICAL INSTRUMENT WINDOW
6650-00-450-1746 A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
Alternate Parts: 1575481, 6650-00-450-1746, 00-450-1746, 6650004501746, 004501746
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | DEC 10, 1969 | 00-450-1746 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-450-1746
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1575481 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 6650-00-450-1746
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5170 NOMINAL |
| DISPERSION | 64.2 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| SURFACE FINISH | POLISHED |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 2.913 INCHES NOMINAL |
| THICKNESS | 0.433 INCHES NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.059 INCHES NOMINAL |