NSN 1240-00-574-6417
Part Details | OPTICAL ELEMENT RETAINER
1240-00-574-6417 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: 5185475, 1240-00-574-6417, 00-574-6417, 1240005746417, 005746417
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-574-6417 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-00-574-6417
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5185475 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-574-6417
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 0.785 INCHES NOMINAL |
| OVERALL LENGTH | 0.172 INCHES NOMINAL |
| RECESS DIAMETER | 0.882 INCHES NOMINAL |
| RECESS DEPTH | 0.141 INCHES NOMINAL |
| THREAD SIZE | 0.897 IN.-72 NS-3 |
| COUNTERBORE TAPER ANGLE IN DEG | 45.0 |
| HOLE CHAMFER ANGLE IN DEG | 30.0 |
| HOLE CHAMFER DIAMETER | 0.822 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200 TO 3, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 2024 |
| SURFACE TREATMENT | ANODIZE |
| DRIVE TYPE | SLOTTED |
| HOLE OR SLOT QUANTITY | 2 |
| WIDTH | 0.031 INCHES NOMINAL |
| DEPTH | 0.031 INCHES NOMINAL |
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |
| FSC APPLICATION DATA | BINOCULAR,FIRE CONTROL |
