NSN 1240-01-108-4984
Part Details | OPTICAL ELEMENT CELL
1240-01-108-4984 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: 8620329, 1240-01-108-4984, 01-108-4984, 1240011084984, 011084984
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | FEB 28, 1981 | 01-108-4984 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-108-4984
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8620329 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-108-4984
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 AND COPPER ALLOY 360 |
| MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700 TO 3, ALLOY 2024, T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-626, COMP 22 FED SPEC 2ND MATERIAL RESPONSE |
| THREAD LOCATION | INTERNAL AND EXTERNAL |
| THREAD SIZE | A2-32$$A2 5/16-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2B$$A2A |
| THREAD PITCH DIAMETERS | +1.9797 TO +1.9851 INCHES AND +2.2866 TO +2.7909 INCHES |
| THREAD LENGTH | 0.266 INCHES AND 0.475 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | BOTH ENDS |
| CHAMFER SIZE | 0.015 IN. BY 45 DEG;0.015 IN. BY 45 DEG |
| DRIVE TYPE | SLOTTED FACE |
| ELEMENT SECURING METHOD | THREADED RING |