NSN 1240-00-829-7374
Part Details | OPTICAL ELEMENT RETAINER
1240-00-829-7374 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: 10542159, 1240-00-829-7374, 00-829-7374, 1240008297374, 008297374
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | SEP 01, 1967 | 00-829-7374 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-00-829-7374
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10542159 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-829-7374
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 0.560 INCHES NOMINAL |
| SHOULDER LENGTH | 0.141 INCHES NOMINAL |
| TAPERED HOLE MINOR DIAMETER | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| TAPER ANGLE IN DEG | 10.0 |
| OVERALL LENGTH | 0.281 INCHES NOMINAL |
| FLANGE THREAD SIZE | 0.688 IN.-32 UN-2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225 TO 6, T351 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2024 |
| SURFACE TREATMENT | ANODIZE |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.047 INCHES NOMINAL |
| DEPTH | 0.062 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | PERISCOPE XM44 |