NSN 1240-00-321-8551
Part Details | OPTICAL ELEMENT CELL
1240-00-321-8551 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: 11744822, 1240-00-321-8551, 00-321-8551, 1240003218551, 003218551
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | NOV 16, 1973 | 00-321-8551 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-321-8551
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11744822 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-321-8551
| Characteristic | Specifications |
|---|---|
| MATERIAL | 4$DAL6061 |
| THREAD LOCATION | INTERNAL AND EXTERNAL |
| THREAD SIZE | A7/8-32$$A1 1/16-28 |
| SCREW THREAD SERIES DESIGNATOR | UN AND UN |
| THREAD CLASS | A2B$$A2A |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | LARGER DIAMETER END |
| CHAMFER SIZE | 0.375 IN. BY 15 DEG |
| OVERALL LENGTH | 1.344 INCHES NOMINAL |
| OVERALL DIAMETER | 2.312 INCHES NOMINAL |
