NSN 1240-00-299-1838 002991838
Product Details | OPTICAL ELEMENT SPACER
1240-00-299-1838 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.
Part Alternates: 002991838
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-299-1838 | 22261 ( SPACER, OPTICAL ELEMENT ) |
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Related Products | NSN 1240-00-299-1838
Technical Data | NSN 1240-00-299-1838
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| OVERALL LENGTH | 0.605 INCHES NOMINAL |
| III FSC APPLICATION DATA | DISPLAY UNIT,NAVIGATION |
| MANUFACTURERS CODE | 12464 |
| DESIGN CONTROL REFERENCE | J91F0298-5 |
Restrictions/Controls & Freight Information | NSN 1240-00-299-1838
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Controlled Inventory Item Code: | 7 | NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7). |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||