NSN 1240-00-228-1632
Part Details | OPTICAL ELEMENT RETAINER
1240-00-228-1632 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: 7660466, 7660466, 1240-00-228-1632, 00-228-1632, 1240002281632, 002281632
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | FEB 05, 1969 | 00-228-1632 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-00-228-1632
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7660466 | 00641 | FORWAY INDUSTRIES INC |
| 7660466 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-228-1632
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 2.062 INCHES MINIMUM AND 2.072 INCHES MAXIMUM |
| OVERALL LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| RECESS DIAMETER | 3.687 INCHES MINIMUM AND 3.692 INCHES MAXIMUM |
| RECESS DEPTH | 0.112 INCHES MINIMUM AND 0.114 INCHES MAXIMUM |
| THREAD SIZE | 4.125 IN.-32UNS-3A |
| MATERIAL | STEEL COMP 416 |
| DRIVE TYPE | DRILLED HOLE |
| HOLE OR SLOT QUANTITY | 2 |
| DIAMETER | 0.094 INCHES NOMINAL |
| DEPTH | 0.094 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.938 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | TELESCOPE,PANORAMIC M117 |
