NSN 6650-00-531-6646
Part Details | OPTICAL ELEMENT SPACER
6650-00-531-6646 A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (AA). See also SPACER, SLEEVE and CELL, OPTICAL ELEMENT.
Alternate Parts: 5316646, 6650-00-531-6646, 00-531-6646, 6650005316646, 005316646
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-531-6646 | 22261 ( SPACER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SPACER
Cross Reference | NSN 6650-00-531-6646
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5316646 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-531-6646
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| STYLE DESIGNATOR | SPACER |
| OVERALL LENGTH | 0.340 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.426 INCHES MAXIMUM |
| TAPER BORE MINOR DIAMETER | 1.260 INCHES MAXIMUM |
| TAPER ANGLE | 8.9 DEGREES NOMINAL |
| END INTERNAL BEVEL ANGLE | 31.0 DEGREES NOMINAL |