NSN 1240-00-517-8640
Part Details | OPTICAL ELEMENT RETAINER
1240-00-517-8640 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: 5178640, 5178640, 5178640, 5178640, 5178640, 5178640, 5178640, 1240-00-517-8640, 00-517-8640, 1240005178640, 005178640
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-517-8640 | 22451 ( RETAINER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SHOULDERED
Cross Reference | NSN 1240-00-517-8640
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5178640 | 28946 | B AND S SCREW MACHINE PRODUCTS INCSUB OF CHESTNUT GROUP INC |
| 5178640 | 33436 | BETA ENGINEERING, INC. |
| 5178640 | 33950 | DELTA-X CORP |
| 5178640 | 2S308 | FREEHOLD MANUFACTURING ASSEMBLY COINC |
| 5178640 | 32783 | LASMER INDUSTRIES INC |
| 5178640 | 1CN43 | MACKO INDUSTRIES |
| 5178640 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-517-8640
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 0.562 INCHES NOMINAL |
| SHOULDER LENGTH | 0.062 INCHES NOMINAL |
| OVERALL LENGTH | 0.100 INCHES NOMINAL |
| FLANGE DIAMETER | 0.625 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626, COMP 360 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | COPPER ALLOY 360 |
| INTERNAL ANNULAR SERRATION | PROVIDED |
| GUIDE DESIGN | THREAD CHAMFER |
| SETSCREW NOTCH | NOT PROVIDED |
| END ITEM IDENTIFICATION | USED 1015003229752 |
