NSN 6650-01-171-6964
Part Details | OPTICAL ELEMENT SPACER
6650-01-171-6964 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: 13074981, 13074981, 6650-01-171-6964, 01-171-6964, 6650011716964, 011716964
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | FEB 11, 1984 | 01-171-6964 | 22261 ( SPACER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SPACER
Cross Reference | NSN 6650-01-171-6964
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13074981 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13074981 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 6650-01-171-6964
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200 TO 8,T6511 FED SPEC SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | SPACER |
| OVERALL LENGTH | 0.466 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| STRAIGHT BORE INSIDE DIAMETER | 1.938 INCHES NOMINAL |
| END INTERNAL BEVEL ANGLE | 26.6 DEGREES NOMINAL |
| SMALLEST END INTERNAL BEVEL ANGLE | 19.4 DEGREES NOMINAL |
