NSN 6650-00-451-1085

Part Details | OPTICAL ELEMENT SPACER

6650-00-451-1085 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: 7688723, 6650-00-451-1085, 00-451-1085, 6650004511085, 004511085

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66MAY 12, 197100-451-108522261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-00-451-1085
Part Number Cage Code Manufacturer
768872319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-451-1085
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2011
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 5,T4 FED SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR SPACER
OVERALL LENGTH0.483 INCHES MINIMUM AND 0.487 INCHES MAXIMUM
STRAIGHT BODY PORTION WIDTH0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
SERRATION WIDTH0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
EXTERNAL SHOULDER DIAMETER1.055 INCHES MINIMUM AND 1.061 INCHES MAXIMUM
EXTERNAL SHOULDER DEPTH0.047 INCHES NOMINAL
BODY MINOR TAPER DIAMETER1.255 INCHES MAXIMUM
TAPER ANGLE21.0 DEGREES NOMINAL
BODY TAPER30.5 DEGREES MINIMUM
FSC APPLICATION DATAPERISCOPE,TANK