NSN 6650-00-518-5459
Part Details | OPTICAL ELEMENT SPACER
6650-00-518-5459 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.
Alternate Parts: 5185459, 6650-00-518-5459, 00-518-5459, 6650005185459, 005185459
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
66 | JAN 01, 1963 | 00-518-5459 | 22261 ( SPACER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SPACER
Cross Reference | NSN 6650-00-518-5459
Part Number | Cage Code | Manufacturer |
---|---|---|
5185459 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-518-5459
Characteristic | Specifications |
---|---|
MATERIAL | ALUMINUM ALLOY 2017 |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225 TO 5 FED SPEC SINGLE MATERIAL RESPONSE |
SURFACE TREATMENT | ANODIZE |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
STYLE DESIGNATOR | SPACER |
OVERALL LENGTH | 0.801 INCHES MINIMUM AND 0.806 INCHES MAXIMUM |
STRAIGHT BODY PORTION WIDTH | 0.593 INCHES NOMINAL |
STRAIGHT BORE INSIDE DIAMETER | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
STRAIGHT BORE DEPTH | 0.578 INCHES NOMINAL |
TAPER BORE MAJOR DIAMETER | 0.650 INCHES MINIMUM |
TAPER ANGLE | 30.5 DEGREES NOMINAL |
BODY TAPER | 30.5 DEGREES MINIMUM |
SPECIAL FEATURES | BLACK |