NSN 1240-01-079-3053
Part Details | OPTICAL ELEMENT RETAINER
1240-01-079-3053 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: 12278948, 1240-01-079-3053, 01-079-3053, 1240010793053, 010793053
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUL 01, 1979 | 01-079-3053 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-079-3053
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12278948 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-079-3053
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 2.000 INCHES NOMINAL |
| SHOULDER LENGTH | 0.281 INCHES NOMINAL |
| HOLE DIAMETER | 1.890 INCHES NOMINAL |
| OVERALL LENGTH | 0.375 INCHES NOMINAL |
| FLANGE DIAMETER | 2.062 INCHES NOMINAL |
| MATERIAL | 1$DAL6061 |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.060 INCHES NOMINAL |
| DEPTH | 0.060 INCHES NOMINAL |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | PROVIDED |
| END ITEM IDENTIFICATION | 2350-01-136-8738;2350-01-087-1095M1A1;1240-01-259-9096 XMI GAS |