NSN 6650-00-829-4121
Part Details | OPTICAL ELEMENT RETAINER
6650-00-829-4121 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: 16011, 6650-00-829-4121, 00-829-4121, 6650008294121, 008294121
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-829-4121 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 6650-00-829-4121
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 16011 | 02033 | GYRUS ACMI L.P.DBA CIRCON-ACMI DIV |
Technical Data | NSN 6650-00-829-4121
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 4.000 INCHES NOMINAL |
| OVERALL LENGTH | 0.187 INCHES NOMINAL |
| RECESS ANGLE IN DEG | 30.0 |
| RECESS DEPTH | 0.117 INCHES NOMINAL |
| THREAD SIZE | 4.250 IN.-32 |
| MATERIAL | ALUMINUM ALLOY |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.062 INCHES NOMINAL |
| DEPTH | 0.047 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |