NSN 1240-01-079-3051
Part Details | OPTICAL ELEMENT RETAINER
1240-01-079-3051 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: 12279244, 1240-01-079-3051, 01-079-3051, 1240010793051, 010793051
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUL 01, 1979 | 01-079-3051 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-079-3051
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12279244 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-079-3051
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 1.344 INCHES NOMINAL |
| SHOULDER LENGTH | 0.094 INCHES NOMINAL |
| TAPERED HOLE MINOR DIAMETER | 1.197 INCHES NOMINAL |
| TAPER ANGLE IN DEG | 5.0 |
| OVERALL LENGTH | 0.312 INCHES NOMINAL |
| FLANGE THREAD SIZE | 1.4375 IN.-32 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225 TO 3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2011 |
| SURFACE TREATMENT | ANODIZE |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.060 INCHES NOMINAL |
| DEPTH | 0.060 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 |