NSN 6650-00-409-0852
Part Details | OPTICAL ELEMENT SPACER
6650-00-409-0852 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.
Alternate Parts: 10516753, 6650-00-409-0852, 00-409-0852, 6650004090852, 004090852
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
66 | JUL 15, 1970 | 00-409-0852 | 22261 ( SPACER, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
SPACER
Cross Reference | NSN 6650-00-409-0852
Part Number | Cage Code | Manufacturer |
---|---|---|
10516753 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-409-0852
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 | 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 |
FSC APPLICATION DATA | PERISCOPE,TANK |