NSN 1240-00-316-0263
Part Details | OPTICAL ELEMENT RETAINER
1240-00-316-0263 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: 10515959, 1240-00-316-0263, 00-316-0263, 1240003160263, 003160263
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | NOV 07, 1973 | 00-316-0263 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-00-316-0263
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10515959 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-316-0263
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 0.234 INCHES NOMINAL |
| OVERALL LENGTH | 0.188 INCHES NOMINAL |
| RECESS DIAMETER | 0.265 INCHES NOMINAL |
| RECESS DEPTH | 0.047 INCHES NOMINAL |
| THREAD SIZE | 0.438 IN.-28 |
| HOLE CHAMFER ANGLE IN DEG | 45.0 |
| HOLE CHAMFER DIAMETER | 0.340 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 2024 |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.047 INCHES NOMINAL |
| DEPTH | 0.047 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 |
