NSN 6650-01-052-1751
Part Details | OPTICAL ELEMENT SPACER
6650-01-052-1751 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: 10549288, 6650-01-052-1751, 01-052-1751, 6650010521751, 010521751
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | DEC 11, 1977 | 01-052-1751 | 22261 ( SPACER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SPACER
Cross Reference | NSN 6650-01-052-1751
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10549288 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
Technical Data | NSN 6650-01-052-1751
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| STYLE DESIGNATOR | SPACER |
| OVERALL LENGTH | 0.641 INCHES NOMINAL |
| FLANGE WIDTH | 0.235 INCHES NOMINAL |
| STRAIGHT BORE INSIDE DIAMETER | 1.938 INCHES NOMINAL |
| STRAIGHT BORE DEPTH | 0.641 INCHES NOMINAL |
| INTERNAL SHOULDER DIAMETER | 1.938 INCHES NOMINAL |
| INTERNAL SHOULDER THICKNESS | 0.320 INCHES NOMINAL |
| BODY DIAMETER | 2.040 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 2.069 INCHES MAXIMUM |
| SPECIAL FEATURES | SUFACE FINISH:ANODIC FILM,SULFURIC ACID,MIL-A-8625,TYPE II,CLASS 2,DYED BLACK |
