Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-109-4451 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: 1240001094451, 105142541, 10514254-1, 1240-00-109-4451, 00-109-4451, 1240001094451, 001094451
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | AUG 09, 1968 | 00-109-4451 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-109-4451
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1240001094451 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 10514254-1 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-109-4451
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5171 NOMINAL |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 106.363 MILLIMETERS NOMINAL |
| THICKNESS | 9.982 MILLIMETERS NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 2.997 MILLIMETERS NOMINAL |
| FSC APPLICATION DATA | PERISCOPE M32,M32C,M35 |