NSN 5855-00-937-2173
Part Details | OPTICAL ELEMENT RETAINER
5855-00-937-2173 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: SCD607212, 5855-00-937-2173, 00-937-2173, 5855009372173, 009372173
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | NOV 22, 1966 | 00-937-2173 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 5855-00-937-2173
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SCD607212 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 5855-00-937-2173
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 3.067 INCHES MINIMUM AND 3.125 INCHES MAXIMUM |
| OVERALL LENGTH | 0.281 INCHES NOMINAL |
| RECESS DIAMETER | 2.906 INCHES MAXIMUM |
| RECESS DEPTH | 0.220 INCHES NOMINAL |
| THREAD SIZE | 3.125 IN.-20 UNS-3A |
| HOLE CHAMFER ANGLE IN DEG | B6.0$$B45.0 |
| HOLE CHAMFER DIAMETER | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 6061 |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.060 INCHES NOMINAL |
| DEPTH | 0.060 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | ELECTRO-OPTIONAL SYSTEMS INC,STARLIGHT SCOPE,HAND-HELD OR INDIVIDUAL WEAPONS MOUNTED |