NSN 1240-01-275-8566
Part Details | OPTICAL ELEMENT RETAINER
1240-01-275-8566 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: 11741568, 1240-01-275-8566, 01-275-8566, 1240012758566, 012758566
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 28, 1988 | 01-275-8566 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-01-275-8566
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11741568 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-275-8566
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 1.570 INCHES NOMINAL |
| OVERALL LENGTH | 0.290 INCHES NOMINAL |
| RECESS DIAMETER | 1.850 INCHES NOMINAL |
| RECESS DEPTH | 0.190 INCHES NOMINAL |
| THREAD SIZE | 2.094IN.-32 |
| HOLE CHAMFER ANGLE IN DEG | 30.0 |
| HOLE CHAMFER DIAMETER | 1.850 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| GUIDE LOCATION | BOTH EDGES |
| SETSCREW NOTCH | NOT PROVIDED |