NSN 5855-01-165-2176
Part Details | OPTICAL ELEMENT RETAINER
5855-01-165-2176 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: SMD850134, SM-D-850134, SMD850134, SM-D-850134, 5855-01-165-2176, 01-165-2176, 5855011652176, 011652176
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | OCT 27, 1983 | 01-165-2176 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 5855-01-165-2176
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SM-D-850134 | 27777 | L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION |
| SM-D-850134 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 5855-01-165-2176
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 5.000 INCHES NOMINAL |
| OVERALL LENGTH | 0.200 INCHES NOMINAL |
| RECESS DEPTH | 0.100 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200 TO 8, 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6061 |
| SURFACE TREATMENT | PAINT |
| HOLE OR SLOT QUANTITY | 3 |
| DIAMETER | 5.312 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | NOT PROVIDED |
| SPECIAL TEST FEATURES | INTEREST DRAWING IAW STANDARDS PRESCRIBED BY MIL-D-1000 CATEGORY E,FORM 1 |
| FSC APPLICATION DATA | NIGHT VISION EQUIP.,EMITTED AND REFLECTED RADIATION |