Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-302-1401 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: 1240003021401, 8200995, 1240-00-302-1401, 00-302-1401, 1240003021401, 003021401
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-302-1401 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-302-1401
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1240003021401 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 8200995 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-302-1401
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5170 NOMINAL |
| DISPERSION | 64.5 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 35.560 MILLIMETERS NOMINAL |
| THICKNESS | 3.810 MILLIMETERS NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.5000 MILLIMETERS NOMINAL |
| FSC APPLICATION DATA | FINDER,RANGE,T46E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT |