NSN 1240-00-759-6947
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-759-6947 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: 7596947, 1240-00-759-6947, 00-759-6947, 1240007596947, 007596947
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1962 | 00-759-6947 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-759-6947
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7596947 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-759-6947
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| DISPERSION | 58.6 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 0.930 INCHES NOMINAL |
| LENGTH | 3.930 INCHES NOMINAL |
| THICKNESS | 0.156 INCHES NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.020 INCHES NOMINAL |
| END ITEM IDENTIFICATION | M110A2 HOWITZER |