NSN 1240-01-319-5863
Part Details | OPTICAL ELEMENT RETAINER
1240-01-319-5863 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: 13077322501, 13077322-501, 13077322501, 13077322-501, 1240-01-319-5863, 01-319-5863, 1240013195863, 013195863
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAY 10, 1990 | 01-319-5863 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-01-319-5863
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13077322-501 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13077322-501 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 1240-01-319-5863
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM |
| OVERALL LENGTH | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| RECESS DIAMETER | 3.180 INCHES MINIMUM AND 3.186 INCHES MAXIMUM |
| RECESS DEPTH | 0.008 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| THREAD SIZE | 3.1875 IN.-32 |
| HOLE CHAMFER ANGLE IN DEG | 15.0 |
| HOLE CHAMFER DIAMETER | 3.010 INCHES MINIMUM AND 3.030 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 6061 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | NOT PROVIDED |