NSN 1240-01-251-8690
Part Details | OPTICAL ELEMENT CELL
1240-01-251-8690 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: 9360370, 1240-01-251-8690, 01-251-8690, 1240012518690, 012518690
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 25, 1987 | 01-251-8690 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-251-8690
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9360370 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-251-8690
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| THREAD LOCATION | INTERNAL AND EXTERNAL |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2B$$A2A |
| THREAD PITCH DIAMETERS | +1.1672 TO +1.1723 INCHES AND +1.2871 TO +1.2910 INCHES |
| THREAD LENGTH | 0.200 INCHES AND 0.280 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | SMALLER DIAMETER END |
| CHAMFER SIZE | 0.015 IN. BY 45 DEG |
| OVERALL LENGTH | 1.000 INCHES NOMINAL |