NSN 1240-01-131-5319
Part Details | OPTICAL ELEMENT RETAINER
1240-01-131-5319 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: 12309688, 1240-01-131-5319, 01-131-5319, 1240011315319, 011315319
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAY 12, 1982 | 01-131-5319 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-01-131-5319
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12309688 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 1240-01-131-5319
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM |
| OVERALL LENGTH | 0.2200 INCHES NOMINAL |
| RECESS DIAMETER | 1.2650 INCHES MINIMUM AND 1.2750 INCHES MAXIMUM |
| RECESS DEPTH | 0.1000 INCHES NOMINAL |
| THREAD SIZE | A1.3750 |
| HOLE CHAMFER ANGLE IN DEG | 45.0 |
| HOLE CHAMFER DIAMETER | 1.2650 INCHES MINIMUM AND 1.2750 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | NOT PROVIDED |