NSN 1240-00-382-1278
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-382-1278 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: 278694PC15, 278694PC15, 1240-00-382-1278, 00-382-1278, 1240003821278, 003821278
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-382-1278 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-382-1278
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 278694PC15 | 06175 | BAUSCH & LOMB INC |
| 278694PC15 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-382-1278
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| DISPERSION | 58.6 ANGSTROMS NOMINAL |
| POLISHED SURFACE | ONE |
| DIFFUSION PRODUCING SURFACE | ONE |
| SURFACE FINISH | GROUND |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 16.000 MILLIMETERS NOMINAL |
| THICKNESS | 1.600 MILLIMETERS NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.900 MILLIMETERS NOMINAL |
| FSC APPLICATION DATA | RANGEFINDER,FIRE CONTROL |
