NSN 1240-01-131-5320
Part Details | OPTICAL ELEMENT RETAINER
1240-01-131-5320 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: 12309689, 1240-01-131-5320, 01-131-5320, 1240011315320, 011315320
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAY 12, 1982 | 01-131-5320 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-131-5320
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12309689 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 1240-01-131-5320
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER LENGTH | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| HOLE DIAMETER | 1.500 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| OVERALL LENGTH | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| FLANGE DIAMETER | 2.000 INCHES NOMINAL |
| SHOULDER THREAD SIZE | 1.B75IN-32 UNS-2A |
| MATERIAL | ALUMINUM ALLOY 2011 AND ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 6061 |
| DRIVE TYPE | DRILLED HOLE |
| HOLE OR SLOT QUANTITY | 1 |
| DIAMETER | 0.078 INCHES NOMINAL |
| DEPTH | 0.360 INCHES NOMINAL |
| RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 0.834 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD RELIEF |
| GUIDE LOCATION | SHOULDER |
| SETSCREW NOTCH | NOT PROVIDED |