Product Details | OPTICAL ELEMENT SPACER

1240-00-531-7065 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.

Part Alternates: 005317065

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 00-531-7065

Drawings & Photos | NSN 1240-00-531-7065


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Technical Data | NSN 1240-00-531-7065

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATION WW-T-700/3,T3 FED SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR B4 SPACER
OVERALL LENGTH 0.477 INCHES MINIMUM AND 0.487 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM
STRAIGHT BORE DEPTH 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM
TAPER ANGLE 17.4 DEGREES NOMINAL

Restrictions/Controls & Freight Information | NSN 1240-00-531-7065

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Controlled Inventory Item Code:UUNCLASSIFIED
Category Code Description
No Freight Information