NSN 1240-00-409-0852 004090852
Product Details | OPTICAL ELEMENT SPACER
1240-00-409-0852 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: 004090852
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-409-0852 | 22261 ( SPACER, OPTICAL ELEMENT ) |
Drawings & Photos | NSN 1240-00-409-0852
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Technical Data | NSN 1240-00-409-0852
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-267,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | B3 SPACER |
| OVERALL LENGTH | 0.523 INCHES MINIMUM AND 0.528 INCHES MAXIMUM |
| STRAIGHT BORE INSIDE DIAMETER | 2.265 INCHES MINIMUM AND 2.270 INCHES MAXIMUM |
| SERRATION WIDTH | 0.523 INCHES NOMINAL |
| END INTERNAL BEVEL ANGLE | 29.2 DEGREES NOMINAL |
| SMALLEST END INTERNAL BEVEL ANGLE | 16.7 DEGREES NOMINAL |
| SPECIAL FEATURES | BLACK |
| III FSC APPLICATION DATA | PERISCOPE,TANK |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 10516753 |
Restrictions/Controls & Freight Information | NSN 1240-00-409-0852
| 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: | U | UNCLASSIFIED |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||