NSN 6650-01-082-3536

Part Details | OPTICAL ELEMENT SPACER

6650-01-082-3536 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: 12266714, 6650-01-082-3536, 01-082-3536, 6650010823536, 010823536

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66SEP 01, 197901-082-353622261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-01-082-3536
Part Number Cage Code Manufacturer
1226671419207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 6650-01-082-3536
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 8,T651 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.3600 INCHES NOMINAL
FLANGE WIDTH0.062 INCHES NOMINAL
BODY DIAMETER2.3600 INCHES NOMINAL
BODY OUTSIDE DIAMETER2.5000 INCHES MAXIMUM
TAPER BORE MAJOR DIAMETER2.3030 INCHES MAXIMUM
TAPER BORE MINOR DIAMETER1.9600 INCHES MAXIMUM
TAPER ANGLE26.5 DEGREES NOMINAL
SPECIAL FEATURESSPACER-NO. 2,NARROW ANGLE OBJECTIVE LENS; FINISH: ANODIC COATING,TYPE II,CLASS 2,DYED BLACK PER MIL-A-8625; A HOLE 0.060 DIA THRU ONE WALL LOCATED 0.150 FROM TAPERED EDGE; ESTABLISH LENGTH BY MEASURING SEPARATION BETWEEN REF SPHERE 1.0656 R AND ADJACENT SURFACE (REF R LOCATED 0.287 FROM ADJ EDGE; USED ON M901