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Flush Reduced Head Bolt NAS1580C4T3

Description:

Length: 0.590", thread: 1/4-28, shear 100° , flush head bolt, corrosion resistant steel, offset cruciform

NAS1580C4T3 Details

National Stock Number (NSN) 5305-01-494-7020
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 10 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.403 inches
Fastener Length Between 0.575 inches and 0.605 inches
Head Style Flat countersunk
Head Diameter 0.464 inches
Grip Diameter Between 0.2485 inches and 0.2495 inches
Point Style Flat
Internal Drive Style Torque-set ribbed
Thread Diameter 0.2500 inches
Grip Length Between 0.177 inches and 0.197 inches
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 5790 pounds per square inch
Countersink Angle Between 99.0 degrees and 101.0 degrees
Material Iron alloy 660
Material Specification Ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response or ams5853 assn standard single material response
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response
Thread Series Designator Unjf
Specification Data 80205-nas1580 professional/industrial association standard

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