NSN 6650-00-912-4227
Part Details | OPTICAL INSTRUMENT WINDOW
6650-00-912-4227 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: 10541588, 6650-00-912-4227, 00-912-4227, 6650009124227, 009124227
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1960 | 00-912-4227 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-912-4227
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10541588 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-912-4227
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5170 NOMINAL |
| DISPERSION | 64.5 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 3.676 INCHES MINIMUM AND 3.686 INCHES MAXIMUM |
| THICKNESS | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| FSC APPLICATION DATA | SIGHT,REFLEX |
