NSN 1240-00-157-3883 001573883
Product Details | OPTICAL ELEMENT SPACER
1240-00-157-3883 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: 001573883
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-157-3883 | 22261 ( SPACER, OPTICAL ELEMENT ) |
Drawings & Photos | NSN 1240-00-157-3883
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Technical Data | NSN 1240-00-157-3883
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY |
| STYLE DESIGNATOR | B3 SPACER |
| OVERALL LENGTH | 0.680 INCHES NOMINAL |
| STRAIGHT BORE INSIDE DIAMETER | 1.830 INCHES NOMINAL |
| SERRATION WIDTH | 0.640 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.925 INCHES MAXIMUM |
| END INTERNAL BEVEL ANGLE | 0.0 DEGREES NOMINAL |
| III FSC APPLICATION DATA | TELESCOPE MK60 |
Restrictions/Controls & Freight Information | NSN 1240-00-157-3883
| 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 | ||