NSN 1240-00-913-2624
Part Details | OPTICAL ELEMENT RETAINER
1240-00-913-2624 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: 10527981, 1240-00-913-2624, 00-913-2624, 1240009132624, 009132624
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUN 29, 1966 | 00-913-2624 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-00-913-2624
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10527981 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-913-2624
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 3.025 INCHES NOMINAL |
| OVERALL LENGTH | 0.750 INCHES NOMINAL |
| RECESS DIAMETER | 3.250 INCHES NOMINAL |
| RECESS DEPTH | 0.620 INCHES NOMINAL |
| THREAD SIZE | 3.375 IN.-24 |
| HOLE CHAMFER ANGLE IN DEG | 45.0 |
| HOLE CHAMFER DIAMETER | 3.380 INCHES NOMINAL |
| MATERIAL | STEEL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | NOT PROVIDED |
| END ITEM IDENTIFICATION | GOES ON MOUNT TELESCOPE M149E1 |