NSN 1240-01-129-0936
Part Details | OPTICAL ELEMENT RETAINER
1240-01-129-0936 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: 12309701, 1240-01-129-0936, 01-129-0936, 1240011290936, 011290936
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 31, 1982 | 01-129-0936 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-129-0936
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12309701 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 1240-01-129-0936
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 1.6250 INCHES NOMINAL |
| SHOULDER LENGTH | 0.1250 INCHES NOMINAL |
| TAPERED HOLE MINOR DIAMETER | 1.4780 INCHES NOMINAL |
| TAPER ANGLE IN DEG | 15.0 |
| OVERALL LENGTH | 0.3120 INCHES NOMINAL |
| FLANGE DIAMETER | 1.7500 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 2011 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | NOT PROVIDED |