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NAS428-4A16 Machine Bolt

Product Series: NAS
ECCN: EAR99
Schedule: 7318.15.8085

Unit of Measure: EA

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Head Style

Crowned hexagon

Material

Steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140

Surface Treatment

Qq-p-416 type 2 cl 3 federal specification all treatment responses

Thread Class

Fastener Length: 1.750 inches
Features: Finished head
Features Provided: Finished head
Grip Length: Between 0.031 inches and 0.062 inches
Hardness Rating: 26.0 rockwell c and 32.0 rockwell c
Head Height: 0.141 inches
Material Specification: Mil-b-6812 military specification all material responses
Min. Tensile Strength (psi): 125000 pounds per square inch
Thread Diameter: 0.250 inches
Thread Direction: Right-hand
Thread Length: Between 1.688 inches and 1.719 inches
Thread Qty Per Inch (tpi): 28
Thread Series Designator: Unf (fine thread)
Width Between Flats: 0.438 inches