Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-171-4182 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: 176221PC3, 1240-00-171-4182, 00-171-4182, 1240001714182, 001714182
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-171-4182 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4182
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176221PC3 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-171-4182
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 29.500 MILLIMETERS NOMINAL |
| LENGTH | 56.800 MILLIMETERS NOMINAL |
| THICKNESS | 3.000 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | 4 CORNERS 4.0 MM /0.1575 IN./ RADIUS |