NSN 1240-00-944-7683
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-944-7683 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: 8624636, 1240-00-944-7683, 00-944-7683, 1240009447683, 009447683
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 16, 1966 | 00-944-7683 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-944-7683
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8624636 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-944-7683
| Characteristic | Specifications |
|---|---|
| POLISHED SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 1.700 INCHES NOMINAL |
| THICKNESS | 0.150 INCHES NOMINAL |
| SPECIAL FEATURES | LIGHT DEVIATION NOT TO EXCEED 2 MINUTES OF ARC AND SURFACE QUALITY 60-40 |
| FSC APPLICATION DATA | TELESCOPE |
