NSN 1240-00-767-6831
Part Details | OPTICAL ELEMENT CELL
1240-00-767-6831 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: 7676831, 1240-00-767-6831, 00-767-6831, 1240007676831, 007676831
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1962 | 00-767-6831 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-767-6831
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7676831 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-767-6831
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| THREAD LOCATION | EXTERNAL AND INTERNAL AND INTERNAL |
| THREAD SIZE | A1.575 IN.-32$$A1.150 IN.-32$$A1.469 IN.-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS AND UNS |
| THREAD CLASS | A2A$$A3B$$A3B |
| THREAD LENGTH | 0.250 INCHES AND 0.160 INCHES AND 0.266 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | OPPOSITE DRIVE END |
| CHAMFER SIZE | 1/32 IN. BY 45 DEG |
| DRIVE TYPE | SLOTTED FACE |
| ELEMENT SECURING METHOD | THREADED RING |
| OVERALL LENGTH | 2.969 INCHES NOMINAL |
| OVERALL DIAMETER | 1.575 INCHES NOMINAL |
| SPECIAL FEATURES | RADIUS 0.031 IN. ON DRIVE END |
| FSC APPLICATION DATA | TELESCOPE,STRAIGHT |