NSN 1240-01-251-0683
Part Details | OPTICAL ELEMENT RETAINER
1240-01-251-0683 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: 9360369, 1240-01-251-0683, 01-251-0683, 1240012510683, 012510683
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 11, 1987 | 01-251-0683 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-251-0683
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9360369 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-251-0683
| Characteristic | Specifications |
|---|---|
| HOLE DIAMETER | 0.050 INCHES NOMINAL |
| OVERALL LENGTH | 0.160 INCHES NOMINAL |
| RECESS DEPTH | 0.110 INCHES NOMINAL |
| THREAD SIZE | 1.187 IN.-32 |
| MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700 TO 3, ALLOY 2024, T3 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2024 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |