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NAS517-4-3 Machine Screw

Product Series: NAS
ECCN: EAR99
Schedule: 7318.15.9000

Manufacturer certifications are shipped with your order FREE of charge

Unit of Measure: EA

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Head Style

Flat countersunk

Thread Class

Countersink Angle: Between 99 degrees and 101 degrees
Fastener Length: Between 0.641 inches and 0.686 inches
Hardness Rating: Between 36 rockwell c and 40 rockwell c
Internal Drive Style: Cross recess type 1
Min. Tensile Strength (psi): 160000 pounds per square inch
Screw Material: Steel comp 8630
Screw Material Specification: Mil-s-6050 military specification single material response or an-s-9 military standard single material response
Screw Surface Treatment: Chromate and cadmium
Screw Surface Treatment Specification: Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Diameter: 0.25 inches
Thread Direction: Right-hand
Thread Length: Between 0.367 inches and 0.513 inches
Thread Qty Per Inch (tpi): 28
Thread Series Designator: Unf (fine thread)
Head Diameter: Between 0.452 inches and 0.510 inches