NSN 1240-01-081-1707
Part Details | OPTICAL ELEMENT CELL
1240-01-081-1707 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: 12266750, 1240-01-081-1707, 01-081-1707, 1240010811707, 010811707
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | AUG 09, 1979 | 01-081-1707 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-081-1707
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12266750 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 1240-01-081-1707
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| THREAD LOCATION | INTERNAL AND EXTERNAL |
| THREAD SIZE | A3 1/4-32$$A3-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2B$$A2A |
| THREAD PITCH DIAMETERS | +3.2308 TO +3.2366 INCHES AND +2.9743 TO +2.9787 INCHES |
| THREAD LENGTH | 0.165 INCHES AND 0.500 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | SMALLER DIAMETER END |
| CHAMFER SIZE | 0.188 IN. BY 55 DEG |
| DRIVE TYPE | DRILLED HOLE |
| OVERALL LENGTH | 3.835 INCHES MINIMUM AND 3.839 INCHES MAXIMUM |
| OVERALL DIAMETER | 3.398 INCHES MINIMUM AND 3.400 INCHES MAXIMUM |
