Product Details | OPTICAL ELEMENT SPACER

1240-00-451-1084 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: 004511084

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 00-451-1084

Drawings & Photos | NSN 1240-00-451-1084


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Technical Data | NSN 1240-00-451-1084

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2011
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR B3 SPACER
OVERALL LENGTH 0.188 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER 0.943 INCHES MINIMUM AND 0.953 INCHES MAXIMUM
SERRATION WIDTH 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
END INTERNAL BEVEL ANGLE 45.0 DEGREES NOMINAL
III FSC APPLICATION DATA PERISCOPE,TANK
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE 7688721

Restrictions/Controls & Freight Information | NSN 1240-00-451-1084

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