NSN 1240-00-903-3879
Part Details | OPTICAL ELEMENT CELL
1240-00-903-3879 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: 10513587, 1240-00-903-3879, 00-903-3879, 1240009033879, 009033879
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1960 | 00-903-3879 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-903-3879
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10513587 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-903-3879
| Characteristic | Specifications |
|---|---|
| THREAD LOCATION | EXTERNAL |
| THREAD SIZE | 1.968-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.118 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | PROVIDED |
| CELL ECCENTRICITY FROM GEOMETRIC AXIS | 0.025 INCHES |
| CHAMFER LOCATION | DRIVE END |
| CHAMFER SIZE | 0.005 IN. BY 45 DEG |
| DRIVE TYPE | SLOTTED DRIVE ON PERIPHERY |
| ELEMENT SECURING METHOD | SETSCREW |
| OVERALL LENGTH | 0.580 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| OVERALL DIAMETER | 2.255 INCHES MINIMUM AND 2.260 INCHES MAXIMUM |
| SPECIAL FEATURES | ONE 0.086-56UNC-3B THD HOLE ON FACE OF DRIVE END |