NSN 1240-00-210-4393
Part Details | OPTICAL ELEMENT CELL
1240-00-210-4393 A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Alternate Parts: 789PC2, 789PC2, 1262789, 1240-00-210-4393, 00-210-4393, 1240002104393, 002104393
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-210-4393 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-210-4393
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 789PC2 | 02622 | AMERICAN OPTICAL CO |
| 789PC2 | 78039 | LEICA INCSURVEYING AND PHOTOGRAMMETRY SYSTEMS |
| 1262789 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-210-4393
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| THREAD LOCATION | INTERNAL AND EXTERNAL |
| THREAD SIZE | A1 7/8-32$$A2 5/64-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2B$$A2A |
| THREAD PITCH DIAMETERS | +1.8547 TO +1.8600 INCHES AND +2.0679 TO +2.0721 INCHES |
| THREAD LENGTH | 0.300 INCHES AND 0.376 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | PROVIDED |
| CELL ECCENTRICITY FROM GEOMETRIC AXIS | 0.001 INCHES |
| CHAMFER LOCATION | THREADED END |
| DRIVE TYPE | DRILLED HOLE |
| ELEMENT SECURING METHOD | EXTERNAL THREAD |
| OVERALL LENGTH | 1.836 INCHES NOMINAL |
| OVERALL DIAMETER | 2.250 INCHES NOMINAL |
