NSN 5855-01-351-8909
Part Details | OPTICAL ELEMENT RETAINER
5855-01-351-8909 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: 5003387, BP15621, 5003387, 5855-01-351-8909, 01-351-8909, 5855013518909, 013518909
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | JAN 16, 1992 | 01-351-8909 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 5855-01-351-8909
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5003387 | 27361 | BURKE PRODUCTS, INC. |
| BP15621 | 27361 | BURKE PRODUCTS, INC. |
| 5003387 | 54490 | DEPT OF THE ARMYU S ARMY ELECTRONICS COMMAND |
Technical Data | NSN 5855-01-351-8909
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 1.100 INCHES MINIMUM AND 1.101 INCHES MAXIMUM |
| OVERALL LENGTH | 1.125 INCHES NOMINAL |
| RECESS DIAMETER | 1.270 INCHES NOMINAL |
| RECESS DEPTH | 0.252 INCHES NOMINAL |
| HOLE CHAMFER ANGLE IN DEG | 45.0 |
| HOLE CHAMFER DIAMETER | 1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 2011 |
| DRIVE TYPE | KNURL |
| INTERNAL ANNULAR SERRATION | PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION |
| END ITEM IDENTIFICATION | 6625-01-301-6894 ELECT. SYSTEMS TEST SET |