NSN 1240-00-499-4247
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-499-4247 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: 10304771, 10-30477-1, 1681904, 16819-04, 16819, 4500052, 1240-00-499-4247, 00-499-4247, 1240004994247, 004994247
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 25, 1972 | 00-499-4247 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-499-4247
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10-30477-1 | 82918 | BOEING COMPANY, THEDBA BOEING |
| 16819-04 | 22669 | II-VI OPTICAL SYSTEMS, INC. |
| 16819 | 22669 | II-VI OPTICAL SYSTEMS, INC. |
| 4500052 | 11536 | OPTICAL COATING LABORATORY, LLCDBA OCLI |
Technical Data | NSN 1240-00-499-4247
| Characteristic | Specifications |
|---|---|
| MATERIAL | GERMANIUM |
| POLISHED PERIPHERY | PROVIDED |
| WIDTH | 8.125 INCHES NOMINAL |
| LENGTH | 12.188 INCHES NOMINAL |
| SPECIAL FEATURES | TRANSMITTANCE 90% T AVG 8.0 TO 11.5 MICRONS. HAS MLAR (MULTI-LAYER ANTI-REFLECTION) COATING. |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918 |
