NSN 1240-01-280-5498
Part Details | OPTICAL ELEMENT CELL
1240-01-280-5498 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: 3183224, 1240-01-280-5498, 01-280-5498, 1240012805498, 012805498
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUN 12, 1988 | 01-280-5498 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-280-5498
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3183224 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-01-280-5498
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY |
| THREAD LOCATION | EXTERNAL AND INTERNAL |
| THREAD SIZE | A13/16-32$$A5/8-32 |
| SCREW THREAD SERIES DESIGNATOR | UN AND UN |
| THREAD CLASS | A3A$$A3B |
| THREAD PITCH DIAMETERS | +0.7742 TO +0.8125 INCHES AND +0.5910 TO +0.6250 INCHES |
| THREAD LENGTH | 0.250 INCHES AND 0.432 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | BOTH ENDS |
| OVERALL LENGTH | 3.545 INCHES NOMINAL |
| OVERALL DIAMETER | 0.812 INCHES NOMINAL |
| SPECIAL FEATURES | TELESCOPE DRAW TUBE |
| END ITEM IDENTIFICATION | ALIGNMENT TELESCOPE |