NSN 5855-01-061-6890
Part Details | OPTICAL ELEMENT RETAINER
5855-01-061-6890 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: SMC806418, SM-C-806418, 5855-01-061-6890, 01-061-6890, 5855010616890, 010616890
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | JUN 27, 1978 | 01-061-6890 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 5855-01-061-6890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SM-C-806418 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 5855-01-061-6890
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 2.002 INCHES NOMINAL |
| OVERALL LENGTH | 0.190 INCHES NOMINAL |
| RECESS ANGLE IN DEG | 60.0 |
| RECESS DEPTH | 0.160 INCHES NOMINAL |
| THREAD SIZE | 2.312-32 |
| MATERIAL | ALUMINUM ALLOY |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.072 INCHES NOMINAL |
| DEPTH | 0.060 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.07965 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | DRIVE EDGE |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | NIGHT VISION EQUIP. |
