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NAS1580C5T10 Close Tolerance Screw

Product Series: NAS
ECCN: EAR99
Schedule: 7318.15.2091

Unit of Measure: EA

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Head Style

Flat countersunk

Material

Iron alloy 660

Surface Treatment

Qq-p-35 federal specification single treatment response

Thread Class

Countersink Angle: Between 99.0 degrees and 101.0 degrees
Fastener Length: Between 1.111 inches and 1.141 inches
Grip Diameter: Between 0.3115 inches and 0.3120 inches
Grip Length: Between 0.615 inches and 0.635 inches
Internal Drive Style: Offset cruciform (torque set)
Material Specification: Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response
Min. Tensile Strength (psi): 160000 pounds per square inch
Specification Data: 80205-nas1580 professional/industrial association standard
Surface Finish: 32.0 microinches threads
Thread Diameter: 0.312 inches
Thread Direction: Right-hand
Thread Length: Between 0.476 inches and 0.526 inches
Thread Qty Per Inch (tpi): 24
Thread Series Designator: Unjf (fine thread with external controlled root radius)
Head Diameter: Between 0.578 inches and 0.634 inches