NSN 1240-00-990-8983
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-990-8983 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: 1240009908983, 8619869, 8619869, 1240-00-990-8983, 00-990-8983, 1240009908983, 009908983
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1962 | 00-990-8983 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-990-8983
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1240009908983 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 8619869 | 22255 | PLX INC.DBA P L X |
| 8619869 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-990-8983
| Characteristic | Specifications |
|---|---|
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 3.984 INCHES MINIMUM AND 4.000 INCHES MAXIMUM |
| LENGTH | 9.734 INCHES MINIMUM AND 9.750 INCHES MAXIMUM |
| THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| BEVEL ANGLE IN DEG | 42.000 NOMINAL AND 48.000 NOMINAL |
| BEVEL DEPTH | 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |