NSN 6650-00-157-9286
Part Details | OPTICAL ELEMENT RETAINER
6650-00-157-9286 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: 481109PC1, 481109PC1, 6650-00-157-9286, 00-157-9286, 6650001579286, 001579286
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-157-9286 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 6650-00-157-9286
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 481109PC1 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 481109PC1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-157-9286
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 1.575 INCHES NOMINAL |
| OVERALL LENGTH | 0.812 INCHES NOMINAL |
| RECESS DIAMETER | 1.655 INCHES NOMINAL |
| RECESS DEPTH | 0.471 INCHES NOMINAL |
| THREAD SIZE | 1.875 IN.-32 |
| HOLE CHAMFER ANGLE IN DEG | 45.0 |
| HOLE CHAMFER DIAMETER | 1.760 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | DRIVE EDGE |
| SETSCREW NOTCH | NOT PROVIDED |
| END ITEM IDENTIFICATION | GUN SIGHT MK15 |