NSN 5855-00-087-1569 000871569
Product Details | OPTICAL ELEMENT SPACER
5855-00-087-1569 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: 000871569
Communication, Detection, and Coherent Radiation Equipment | Night Vision Equipment, Emitted and Reflected Radiation
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | 00-087-1569 | 22261 ( SPACER, OPTICAL ELEMENT ) |
Drawings & Photos | NSN 5855-00-087-1569
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Technical Data | NSN 5855-00-087-1569
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| SURFACE TREATMENT | OXIDE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE |
| OVERALL THICKNESS | 0.111 INCHES NOMINAL |
| STYLE DESIGNATOR | B1 SPACER |
| BODY OUTSIDE DIAMETER | 0.312 INCHES MAXIMUM |
| TAPER BORE MINOR DIAMETER | 0.201 INCHES NOMINAL |
| III FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION |
| III END ITEM IDENTIFICATION | 5855-00-937-7706 BORESIGHT ASSEMBLY |
Restrictions/Controls & Freight Information | NSN 5855-00-087-1569
| 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 | ||