Part Details | OPTICAL ELEMENT RETAINER
1240-00-155-3343 A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.
Alternate Parts: 323285PC7, 3232857, 323285-7, 323285PC7, 3232857, 1240-00-155-3343, 00-155-3343, 1240001553343, 001553343
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-155-3343 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-00-155-3343
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 323285PC7 | 08638 | ALLIANT TECHSYSTEMS INCORDNANCE SYSTEMS DIV |
| 323285-7 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 323285PC7 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 3232857 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
Technical Data | NSN 1240-00-155-3343
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 0.188 INCHES NOMINAL |
| OVERALL LENGTH | 0.200 INCHES NOMINAL |
| RECESS ANGLE IN DEG | 30.0 |
| RECESS DEPTH | 0.150 INCHES NOMINAL |
| THREAD SIZE | 0.438 IN.-20 |
| HOLE CHAMFER ANGLE IN DEG | 0.0 |
| HOLE CHAMFER DIAMETER | 0.188 INCHES NOMINAL |
| MATERIAL | COPPER ALLOY |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.060 INCHES NOMINAL |
| DEPTH | 0.050 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD RELIEF |
| GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE |
| SETSCREW NOTCH | NOT PROVIDED |
| END ITEM IDENTIFICATION | TELESCOPE MK79 |