NSN 1240-01-026-6660
Part Details | OPTICAL ELEMENT RETAINER
1240-01-026-6660 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: 11746442, 1240-01-026-6660, 01-026-6660, 1240010266660, 010266660
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | AUG 28, 1976 | 01-026-6660 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
RECESSED
Cross Reference | NSN 1240-01-026-6660
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11746442 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-026-6660
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | RECESSED |
| HOLE DIAMETER | 0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM |
| OVERALL LENGTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| THREAD SIZE | 0.875-32 |
| MATERIAL DOCUMENT AND CLASSIFICATION | BWW-T-700 TO 3, T3$AWW-T-700 TO 6, ALLOY 6061$AQQ-A-200 TO 8$AQQ-A-200 TO 3 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE |
| MATERIAL | 4$DAL6061$DAL6062 |
| INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| SETSCREW NOTCH | NOT PROVIDED |