NSN 1240-01-174-5570
Part Details | OPTICAL ELEMENT RETAINER
1240-01-174-5570 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: 11733433, 1240-01-174-5570, 01-174-5570, 1240011745570, 011745570
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 21, 1984 | 01-174-5570 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-174-5570
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11733433 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-174-5570
| Characteristic | Specifications |
|---|---|
| HOLE DIAMETER | 1.375 INCHES NOMINAL |
| OVERALL LENGTH | 0.500 INCHES NOMINAL |
| RECESS DIAMETER | 1.870 INCHES NOMINAL |
| RECESS DEPTH | 0.430 INCHES NOMINAL |
| THREAD SIZE | AA2.1562 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-A-225 TO 6, ALLOY 2024, T4$AQQ-A-225 TO 6, ALLOY 2024, T6$AQQ-A-225 TO 8, ALLOY 6061, T6$AQQ-A-200 TO 3, ALLOY 2024, T4$AQQ-A-200 TO 8, 6061, T6 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE |
| MATERIAL | 4$DAL6061 |
| SURFACE TREATMENT | ANODIZE |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | NOT PROVIDED |
| SPECIAL FEATURES | ANODIZED SURFACE TREATMENT IS DYED BLACK |
| USAGE DESIGN | PERISCOPE ASSEMBLY |
| CUBIC MEASURE | 2.32459 CUBIC INCHES |