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Flush Reduced Head Bolt NAS1581F3T8

Description:

Length: 0.863", thread: 10-32, shear 100° , flush reduced head bolt, alloy steel, offset cruciform

NAS1581F3T8 Details

National Stock Number (NSN) 5305-01-477-2865
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 100 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.363 inches
Fastener Length Between 0.848 inches and 0.878 inches
Head Style Flat countersunk
Head Diameter Between 0.2578 inches and 0.3047 inches
Grip Diameter Between 0.1890 inches and 0.1895 inches
Internal Drive Style High-torque
End Application F16
Thread Diameter 0.188 inches
Grip Length Between 0.490 inches and 0.510 inches
Thready Qty Per Inch (tpi) 32
Countersink Angle Between 99.0 degrees and 101.0 degrees
Material Steel comp 4140 or steel comp 4340
Material Specification Mil-s-5626 military specification single material response or mil-s-5000 military specification single material response
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response
Thread Series Designator Unjf

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