NSN 1240-01-209-3934
Part Details | OPTICAL INSTRUMENT WINDOW
1240-01-209-3934 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: 12343612, 1240-01-209-3934, 01-209-3934, 1240012093934, 012093934
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAY 29, 1985 | 01-209-3934 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-209-3934
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12343612 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 1240-01-209-3934
| Characteristic | Specifications |
|---|---|
| POLISHED SURFACE | BOTH |
| SURFACE FINISH | GROUND AND POLISHED |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | PROVIDED |
| DIAMETER | 0.410 INCHES NOMINAL |
| THICKNESS | 0.050 INCHES NOMINAL |
| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.020 INCHES NOMINAL |