Product Details | OPTICAL ELEMENT SPACER

1240-00-382-0891 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: 003820891

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 00-382-0891

Drawings & Photos | NSN 1240-00-382-0891


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Technical Data | NSN 1240-00-382-0891

Characteristic Specifications
MATERIAL COPPER ALLOY
STYLE DESIGNATOR B3 SPACER
OVERALL LENGTH 1.110 INCHES NOMINAL
STRAIGHT BORE INSIDE DIAMETER 1.830 INCHES NOMINAL
SERRATION WIDTH 1.070 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.929 INCHES MAXIMUM
END INTERNAL BEVEL ANGLE 0.0 DEGREES NOMINAL
III FSC APPLICATION DATA TELESCOPE MK67

Restrictions/Controls & Freight Information | NSN 1240-00-382-0891

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