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Hex Head Machine Bolt NAS1004-4A


Undrilled, length: 0.794", thread: 1/4-28, hex head machine bolt, corrosion resistant steel

NAS1004-4A Details

National Stock Number (NSN) 5306-00-811-7283
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 5 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.544 inches
Fastener Length 0.794 inches
Head Style Hexagon
Head Height 0.156 inches
Width Between Flats Between 0.430 inches and 0.439 inches
Thread Diameter 0.250 inches
Grip Length 0.250 inches
Features Provided Finished head
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 140000 pounds per square inch
Special Features Tensile strength at room temperature
Material Iron alloy 660
Material Specification Ams5731 assn standard single material response or ams5732 assn standard single material response
Surface Treatment Passivate
Surface Treatment Specification Mil-s-5002 military specification single treatment response
Thread Series Designator Unf

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