NSN 1240-00-904-0683
Part Details | OPTICAL ELEMENT CELL
1240-00-904-0683 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: 10513591, 1240-00-904-0683, 00-904-0683, 1240009040683, 009040683
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1960 | 00-904-0683 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-904-0683
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10513591 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-904-0683
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| THREAD LOCATION | EXTERNAL AND INTERNAL |
| THREAD SIZE | A1.687-32$$A1.562-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2A$$A2B |
| THREAD LENGTH | 0.118 INCHES AND 0.248 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | PROVIDED |
| CELL ECCENTRICITY FROM GEOMETRIC AXIS | 0.025 INCHES |
| DRIVE TYPE | SLOTTED DRIVE ON PERIPHERY |
| ELEMENT SECURING METHOD | INTERNAL THREAD |
| OVERALL LENGTH | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM |
| OVERALL DIAMETER | 2.041 INCHES MINIMUM AND 2.046 INCHES MAXIMUM |
| SPECIAL FEATURES | ONE 0.086-56UNC-3B THD HOLE ON FACE OF DRIVE END. |