NSN 1240-00-557-0716
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-557-0716 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: A7632368, 1240-00-557-0716, 00-557-0716, 1240005570716, 005570716
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-557-0716 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-557-0716
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A7632368 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-557-0716
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 29.710 MILLIMETERS NOMINAL |
| LENGTH | 50.670 MILLIMETERS NOMINAL |
| THICKNESS | 5.800 MILLIMETERS NOMINAL |
| BEVEL ANGLE IN DEG | 30.000 NOMINAL |
| BEVEL DEPTH | 2.360 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | CORNERS ROUNDED W/0.744 IN. RADIUS,ASTIGMATISM NOT TO EXCEED 2.5 MILLIDIOPTERS,SPERICAL POWER NOT TO EXCEED 6.5 MILLIDIOPTERS |
| FSC APPLICATION DATA | TELESCOPE,PANORAMIC T149E1 |
