Product Details | OPTICAL ELEMENT SPACER

1240-00-518-5459 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: 005185459

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 00-518-5459

Drawings & Photos | NSN 1240-00-518-5459


Demand History | NSN 1240-00-518-5459

Part Number Request Date QTY Origin
1240-00-518-5459 2013-09-273 30 US

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Technical Data | NSN 1240-00-518-5459

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2017
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR B6 SPACER
OVERALL LENGTH 0.801 INCHES MINIMUM AND 0.806 INCHES MAXIMUM
STRAIGHT BODY PORTION WIDTH 0.593 INCHES NOMINAL
STRAIGHT BORE INSIDE DIAMETER 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
STRAIGHT BORE DEPTH 0.578 INCHES NOMINAL
TAPER BORE MAJOR DIAMETER 0.650 INCHES MINIMUM
TAPER ANGLE 30.5 DEGREES NOMINAL
BODY TAPER 30.5 DEGREES MINIMUM
SPECIAL FEATURES BLACK
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE 5185459

Restrictions/Controls & Freight Information | NSN 1240-00-518-5459

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
Category Code Description
No Freight Information