NSN 5855-01-172-4568
Part Details | OPTICAL ELEMENT RETAINER
5855-01-172-4568 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: 13074802, 13074802, 5855-01-172-4568, 01-172-4568, 5855011724568, 011724568
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | FEB 21, 1984 | 01-172-4568 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 5855-01-172-4568
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13074802 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13074802 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 5855-01-172-4568
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 1.100 INCHES NOMINAL |
| OVERALL LENGTH | 0.160 INCHES NOMINAL |
| RECESS ANGLE IN DEG | 134.0 |
| RECESS DEPTH | 0.039 INCHES NOMINAL |
| THREAD SIZE | 1.313 IN.-32 |
| MATERIAL | STEEL CORROSION RESISTING |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 4 |
| WIDTH | 0.060 INCHES NOMINAL |
| DEPTH | 0.050 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | NOT PROVIDED |