Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-171-4215 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: 164102PC1, 1240-00-171-4215, 00-171-4215, 1240001714215, 001714215
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-171-4215 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4215
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 164102PC1 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-171-4215
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| DISPERSION | 58.000 ANGSTROMS NOMINAL |
| POLISHED SURFACE | BOTH |
| SURFACE FINISH | POLISHED |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 87.750 MILLIMETERS MINIMUM AND 88.000 MILLIMETERS MAXIMUM |
| LENGTH | 155.750 MILLIMETERS MINIMUM AND 156.000 MILLIMETERS MAXIMUM |
| THICKNESS | 11.180 MILLIMETERS MINIMUM AND 11.680 MILLIMETERS MAXIMUM |
| FSC APPLICATION DATA | TELESCOPE MK 50 |