NSN 1240-01-611-4549
Part Details | OPTICAL ELEMENT RETAINER
1240-01-611-4549 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: 12278935, 1240-01-611-4549, 01-611-4549, 1240016114549, 016114549
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | SEP 14, 2012 | 01-611-4549 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-01-611-4549
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12278935 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-611-4549
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 2.498 INCHES MINIMUM AND 2.499 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.250 INCHES NOMINAL |
| HOLE DIAMETER | 2.062 INCHES NOMINAL |
| OVERALL LENGTH | 0.370 INCHES NOMINAL |
| FLANGE DIAMETER | 3.625 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING |
| SPECIAL FEATURES | HAS 6 EQUALLY SPACED MOUNTING HOLES AROUND THE FLANGE. THEY ARE 0.188 TO 0.198 INCH IN DIAMETER AND ARE TAPERED TO 0.369 INCHES IN DIAMETER. |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINER, HOUSING |
