NSN 1240-00-171-4224
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-171-4224 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: 278703PC7, 1240-00-171-4224, 00-171-4224, 1240001714224, 001714224
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-171-4224 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4224
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 278703PC7 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-171-4224
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| DISPERSION | 58.6 ANGSTROMS NOMINAL |
| POLISHED SURFACE | ONE |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 7.850 MILLIMETERS MINIMUM AND 7.920 MILLIMETERS MAXIMUM |
| THICKNESS | 2.900 MILLIMETERS MINIMUM AND 3.200 MILLIMETERS MAXIMUM |
| BEVEL ANGLE IN DEG | 44.834 MINIMUM AND 45.166 MAXIMUM |
| BEVEL DEPTH | 0.800 MILLIMETERS NOMINAL |
| FSC APPLICATION DATA | RANGEFINDER MK 33 MODS 5 AND 6 |
