Part Details | TELESCOPIC INSTRUMENT LIGHT FILTER
1240-00-344-7620 An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes WINDOW, OPTICAL INSTRUMENT.
Alternate Parts: 279537PC2, 279537PC2, 1240-00-344-7620, 00-344-7620, 1240003447620, 003447620
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | DEC 05, 1969 | 00-344-7620 | 13347 ( FILTER, LIGHT, TELESCOPIC INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-344-7620
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 279537PC2 | 02622 | AMERICAN OPTICAL CO |
| 279537PC2 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-344-7620
| Characteristic | Specifications |
|---|---|
| DENSITY VARIABILITY | NOT VARIABLE |
| SURFACE MATERIAL | GLASS |
| OVERALL DIAMETER | 43.0 MILLIMETERS NOMINAL |
| OVERALL THICKNESS | 3.0 MILLIMETERS NOMINAL |
| VIEWING SURFACE OVERALL DIAMETER | 41.0 MILLIMETERS NOMINAL |
| END ITEM IDENTIFICATION | TELESCOPE MK74 |