NSN 5855-01-165-2171 011652171
Product Details | OPTICAL ELEMENT SPACER
5855-01-165-2171 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: 011652171
Communication, Detection, and Coherent Radiation Equipment | Night Vision Equipment, Emitted and Reflected Radiation
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | 01-165-2171 | 22261 ( SPACER, OPTICAL ELEMENT ) |
Drawings & Photos | NSN 5855-01-165-2171
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Technical Data | NSN 5855-01-165-2171
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11,ALLOY 6061,T6 MIL SPEC SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | B3 SPACER |
| OVERALL LENGTH | 0.243 INCHES NOMINAL |
| STRAIGHT BORE INSIDE DIAMETER | 1.563 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.653 INCHES MAXIMUM |
| END INTERNAL BEVEL ANGLE | 5.0 DEGREES NOMINAL |
| III FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND RAFLECTED RADIATION |
Restrictions/Controls & Freight Information | NSN 5855-01-165-2171
| 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 | ||