NSN 6650-00-972-8639
Part Details | OPTICAL ELEMENT SPACER
6650-00-972-8639 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: A547339, A547-339, 002781, A547339, A547-339, 547A002781, 547A002781, 6650-00-972-8639, 00-972-8639, 6650009728639, 009728639
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-972-8639 | 22261 ( SPACER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-972-8639
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A547-339 | 4N133 | CHATHAM PRECISION INC |
| 002781 | 34228 | L3 TECHNOLOGIES, INC.DBA L3 KEO |
| A547-339 | 34228 | L3 TECHNOLOGIES, INC.DBA L3 KEO |
| 547A002781 | 34228 | L3 TECHNOLOGIES, INC.DBA L3 KEO |
| 547A002781 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS |
Technical Data | NSN 6650-00-972-8639
| Characteristic | Specifications |
|---|---|
| MATERIAL | 4$DST0416 |
| MATERIAL DOCUMENT AND CLASSIFICATION | BMIL-T-8506$JBCQQ-S-763,CLASS 416 3RD MATERIAL RESPONSE |
| OVERALL LENGTH | 2.441 INCHES MINIMUM AND 2.442 INCHES MAXIMUM |
| BODY DIAMETER | 0.078 INCHES NOMINAL |
| SPECIAL FEATURES | 0.250 IN. RADIUS INDENT AT CENTER ALONG LENGTH ONE SIDE |
