NSN 1240-00-171-4209
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-171-4209 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: 176386PC6, 1240-00-171-4209, 00-171-4209, 1240001714209, 001714209
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-171-4209 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-171-4209
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 176386PC6 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-171-4209
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| POLISHED SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 41.000 MILLIMETERS NOMINAL |
| LENGTH | 76.000 MILLIMETERS NOMINAL |
| THICKNESS | 3.000 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | 11.0 MM 0.4331 IN. RADIUS ON ALL 4 CORNERS |
| FSC APPLICATION DATA | RANGEFINDER MK 37 MOD 5 |
