Part Details | OPTICAL ELEMENT CELL
1240-00-159-0513 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: 265606, 654768, 1240-00-159-0513, 00-159-0513, 1240001590513, 001590513
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-159-0513 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-159-0513
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 265606 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 654768 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-159-0513
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| THREAD LOCATION | EXTERNAL AND INTERNAL |
| THREAD SIZE | A1 3/4-32$$A1 1/2-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2A$$A2B |
| THREAD LENGTH | 0.563 INCHES AND 0.343 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | DRIVE END |
| DRIVE TYPE | SLOTTED FACE |
| ELEMENT SECURING METHOD | INTERNAL THREAD |
| OVERALL LENGTH | 0.968 INCHES NOMINAL |
| OVERALL DIAMETER | 1.750 INCHES NOMINAL |
| END ITEM IDENTIFICATION | GUN SIGHT MK29 MOD1 |