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NAS8703-7 Close Tolerance Bolt

NSN: 5305-01-365-7262
Product Series: NAS
ECCN: EAR99
Schedule: 7318.15.8085

Unit of Measure: EA

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Head Style

Flat countersunk undercut

Material

Iron alloy 660

Surface Treatment

Cl 2 federal specification all treatment responses type 2 qq-p-416

Thread Class

Countersink Angle: Between 99.0 degrees and 101.0 degrees
Fastener Length: Between 0.746 inches and 0.776 inches
Grip Diameter: Between 0.1885 inches and 0.1895 inches
Grip Length: Between 0.428 inches and 0.448 inches
Head Height: 0.012 inches
Internal Drive Style: Cross recess type 1
Material Specification: Ams 5731 assn standard 1st material response or ams 5737 assn standard 2nd material response
Min. Tensile Strength (psi): 160000 pounds per square inch
Single Shear Strength: 95000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Thread Diameter: 0.190 inches
Thread Direction: Right-hand
Thread Length: 0.323 inches
Thread Qty Per Inch (tpi): 32
Thread Series Designator: Unjf (fine thread with external controlled root radius)
Head Diameter: Between 0.266 inches and 0.303 inches