NSN 6650-00-087-1555

Part Details | OPTICAL ELEMENT SPACER

6650-00-087-1555 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: SCC614587, SC-C-614587, 6650-00-087-1555, 00-087-1555, 6650000871555, 000871555

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66APR 15, 196700-087-155522261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-00-087-1555
Part Number Cage Code Manufacturer
SC-C-61458780063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 6650-00-087-1555
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 FINISH NO. 7.2.2 MIL STD SINGLE TREATMENT RESPONSE
OVERALL THICKNESS0.879 INCHES MINIMUM AND 0.883 INCHES MAXIMUM
STYLE DESIGNATOR SPACER
OVERALL LENGTH0.879 INCHES MINIMUM AND 0.883 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER3.050 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.097 INCHES MINIMUM AND 3.100 INCHES MAXIMUM
SPECIAL TEST FEATURESCONFORMS TO MIL-D-1000
FSC APPLICATION DATANIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION