Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-025-0241 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: 384815PC10, 3000049, 1240-00-025-0241, 00-025-0241, 1240000250241, 000250241
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-025-0241 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-025-0241
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 384815PC10 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 3000049 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-025-0241
| Characteristic | Specifications |
|---|---|
| POLISHED SURFACE | BOTH |
| DIFFUSION PRODUCING SURFACE | BOTH |
| SURFACE FINISH | POLISHED |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 28.950 INCHES MINIMUM AND 29.000 INCHES MAXIMUM |
| THICKNESS | 3.900 INCHES MINIMUM AND 4.100 INCHES MAXIMUM |
| BEVEL ANGLE IN DEG | 30.000 MINIMUM AND 60.000 MAXIMUM |
| BEVEL DEPTH | 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |